9 Best Zinus King Mattresses, Compared
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We compared 9 options to find the best zinus king mattresses based on published specifications. The Zinus 6-Inch King Green Tea Memory Foam Mattress leads because its 6-inch height and 41.7-pound weight suit low-profile frames needing lightweight support. Each pick relies strictly on data like firmness, construction, and dimensions. This guide helps you decide which model fits your sleep style and bed frame. You will see how each mattress handles pressure relief and motion isolation through its specific build. Focus on the specs that matter for your daily comfort.
Quick picks
The best fit for you
- You need the thinnest low-profile foam option Zinus 6-Inch King Green Tea Memory Foam Mattress Its 6-inch height and 41.7-pound weight make it the lightest, most compact model.
- You want motion isolation on a firm hybrid Zinus 10-Inch Support Plus Pocket Spring King Mattress Pocket springs and a firm profile provide strong motion isolation for couples.
- You prefer a traditional interconnected coil hybrid Zinus 12-Inch King Foam and Spring Hybrid Interconnected steel coils deliver the durable, traditional innerspring structure you want.
- You seek a tall hybrid with pocketed coils Zinus 13-Inch King Cool Support Hybrid Its 13-inch height and pocketed springs offer sturdy support for taller profiles.
Our 9 picks
Zinus 6-Inch King Green Tea Memory Foam Mattress
Best for: low-profile frames needing lightweight King memory foam
- Size
- King (what this guide is about)
- Thickness
- 6 in
- Firmness
- Medium Firm
- Mattress Construction
- Memory foam
- Comfort Layer
- Green tea-infused memory foam
- Cover Material
- Poly jacquard
View on Amazon: Zinus 6-Inch King Green Tea Memory Foam Mattress Affiliate link
The Zinus 6-Inch King Green Tea Memory Foam Mattress is an all-foam bed built with a low 6-inch profile. It pairs high-density base foam with a green tea and Activ charcoal-infused memory foam top layer. Rated medium-firm, it delivers structured pressure relief wrapped in a poly jacquard cover. This mattress suits you if you need a lightweight king-sized mattress for low-clearance frames.
Pros
- CertiPUR-US certified memory foam and base foam
- Infused with green tea and moisture-absorbing Activ charcoal
- Lightweight 41.7-pound build makes handling easier
- Soft poly jacquard fabric cover included
Cons
- Slim 6-inch height provides less depth than standard mattresses
- All-foam build contains no pocketed coils or innersprings
Good fit if
- You want a slim 6-inch mattress profile.
- You prefer an all-foam bed with a medium-firm rating.
- You need a lightweight King mattress weighing under 45 pounds.
Skip if
- You prefer the bounce and pushback of steel innersprings.
- You want a thicker profile deeper than 6 inches.
Verdict: Zinus 6-Inch King Green Tea Memory Foam Mattress delivers a low-profile, medium-firm all-foam build infused with green tea and charcoal. It provides targeted pressure relief without the bulk of thicker hybrid models.
Zinus 12-Inch King Cooling Memory Foam Mattress
Best for: side and back sleepers needing motion isolation
- Size
- King (what this guide is about)
- Thickness
- 12 inch
- Firmness
- Medium
- Mattress Construction
- Memory foam
- Comfort Layer
- Cooling gel memory foam
- Cover Material
- Breathable cover
View on Amazon: Zinus 12-Inch King Cooling Memory Foam Mattress Affiliate link
This 12-inch king mattress features an all-foam build topped with cooling gel memory foam and a breathable cover. Its medium firmness provides cushioning for your joints while maintaining support across a 76 by 80-inch surface. It uses CertiPUR-US certified foam and a carbon-rayon flame barrier without fiberglass. This design suits you if you sleep on your side, back, or switch positions at night.
Pros
- Cooling gel memory foam layer paired with a breathable cover
- Carbon-rayon flame barrier contains no fiberglass
- CertiPUR-US certified foam and OEKO-TEX Standard 100 certified cover fabric
- Compatible with platform beds, box springs, slatted frames, and adjustable bases
Cons
- All-foam build lacks innerspring coil support
- Requires 24 to 72 hours to fully expand after unboxing
- Weighs 82.7 pounds, making solo adjustments difficult
Good fit if
- You sleep on your side, back, or alternate between positions.
- You want an all-foam king bed constructed without fiberglass.
- You need a mattress that dampens motion transfer from a partner.
Skip if
- You prefer the active bounce and edge support of pocketed coils.
- You need a mattress ready for immediate use without waiting up to 72 hours for decompression.
Verdict: Zinus 12-Inch King Cooling Essential Mattress delivers medium-feel contouring with gel-infused memory foam and certified fiberglass-free materials. It provides dependable joint cushioning and motion isolation across an expansive king profile.
Zinus 12-Inch King Green Tea Memory Foam Mattress
Best for: Couples wanting motion-absorbing medium foam support
- Size
- King (what this guide is about)
- Thickness
- 12 inch
- Firmness
- Medium
- Mattress Construction
- Memory foam
- Comfort Layer
- Green tea memory foam
- Certification
- CertiPUR-US, OEKO-TEX, fiberglass free
View on Amazon: Zinus 12-Inch King Green Tea Memory Foam Mattress Affiliate link
This 12-inch King mattress features an all-foam build topped with green-tea-infused memory foam and a breathable cover. It provides a medium firmness designed to support side, back, and combination sleepers. If you share a bed, its conforming foam absorbs motion to limit nighttime disturbances. It uses a fiberglass-free carbon-rayon barrier and fits platform beds, slatted frames, box springs, or adjustable bases.
Pros
- Fiberglass-free carbon-rayon flame barrier
- CertiPUR-US certified foam and OEKO-TEX Standard 100 cover
- Conforming memory foam absorbs motion for sleep partners
- Compatible with platform beds, box springs, and adjustable bases
Cons
- Requires 24 to 72 hours to fully expand after unboxing
- All-foam construction lacks the bounce of steel coils
Good fit if
- You want an all-foam king mattress with a balanced medium firmness.
- You share a bed and need motion isolation to sleep undisturbed.
- You want a mattress constructed without fiberglass.
Skip if
- You prefer the responsive pushback of an innerspring or hybrid core.
- You need a mattress ready for immediate use without expansion time.
Verdict: Zinus King 12-Inch Green Tea Memory Foam Mattress delivers balanced medium support and steady motion isolation using a certified, fiberglass-free foam design.
Zinus 8-Inch Spring Sensation Hybrid King Mattress
Best for: low-profile hybrid support up to 500 pounds
- Size
- King (what this guide is about)
- Thickness
- 8 in
- Firmness
- Medium Firmness
- Mattress Construction
- Hybrid; Euro top with innersprings
- Support Core
- Heavy-gauge steel coils, interconnected
- Intended Use
- Supports up to 500 lbs
View on Amazon: Zinus 8-Inch Spring Sensation Hybrid King Mattress Affiliate link
The Zinus 8 Inch Spring Sensation King Hybrid combines an interconnected steel coil base with a cushioned Euro top. At eight inches thick, this mattress delivers a medium feel while supporting up to 500 pounds. It features CertiPUR-US certified foam and an OEKO-TEX certified cover without fiberglass. You get durable full-body support in a low-profile build designed for sleepers who prefer traditional innerspring responsiveness over deep memory foam sinkage.
Pros
- Heavy-gauge interconnected steel coils support up to 500 lbs
- Euro top construction with CertiPUR-US certified foam
- OEKO-TEX certified cover crafted without fiberglass
- Backed by a 10-year limited warranty
Cons
- Slim 8-inch height provides less cushioning depth than thicker hybrids
- Requires 24 to 72 hours to expand fully after unboxing
- Interconnected coils transfer more motion than individually pocketed springs
Good fit if
- You want a low-profile 8-inch King mattress with responsive coil support.
- You need a mattress rated to hold up to 500 pounds.
- You prefer certified, fiberglass-free foams and fabrics.
Skip if
- You prefer a thicker 10-inch or 12-inch profile.
- You want pocketed coils to isolate partner movement.
Verdict: Zinus 8 Inch Spring Sensation King Hybrid provides sturdy, interconnected coil support and certified materials in a slim profile. It serves sleepers who want resilient innerspring structure without excessive mattress height.
Zinus 10-Inch Support Plus Pocket Spring King Mattress
Best for: couples wanting motion isolation on a firm hybrid
- Size
- King (what this guide is about)
- Thickness
- 10 in
- Firmness
- Firm
- Mattress Construction
- Hybrid foam and pocket coils
- Support Core
- 7.5 in iCoil pocket springs
- Cover Material
- Quilted jacquard cover
View on Amazon: Zinus 10-Inch Support Plus Pocket Spring King Mattress Affiliate link
This 10-inch king hybrid mattress pairs a 7.5-inch pocket spring base with 2.25 inches of foam, including high-density and comfort layers. The independent steel coils isolate motion across the 76-by-80-inch surface so movement on one side stays contained. Its firm build supports up to 500 pounds, making it suitable if you sleep on your stomach or need extra support.
Pros
- 7.5-inch iCoil pocket springs isolate movement between sleepers
- Heavy-gauge steel coil base supports up to 500 pounds
- Contains CertiPUR-US certified high-density and comfort foams
- Includes a 10-year limited warranty
Cons
- Requires 24 to 72 hours to expand fully after unboxing
- Heavy 100-pound total weight makes repositioning difficult
- Thin 2.25-inch foam layer provides limited cushioning above coils
Good fit if
- You share a bed and want pocket coils to minimize disturbance.
- You sleep on your stomach and need a firm surface.
- You need a mattress rated to support up to 500 pounds.
Skip if
- You want a plush mattress with thick memory foam contouring.
- You need a lightweight mattress that is easy to move alone.
Verdict: Zinus 10-Inch King Support Plus Hybrid Mattress delivers strong motion isolation and heavy-duty coil support with a firm profile. It provides a stable 500-pound capacity surface suited for stomach sleepers and couples sharing a bed.
Zinus 12 Inch King Quadcool Memory Foam Mattress
Best for: zoned medium-feel memory foam cooling comfort
- Size
- King (what this guide is about)
- Thickness
- 12 inches
- Firmness
- Medium Feel
- Mattress Construction
- Memory Foam
- Comfort Layer
- Gel-infused memory foam
- Cover Material
- Cool to touch soft knit cover
View on Amazon: Zinus 12 Inch King Quadcool Memory Foam Mattress Affiliate link
The Zinus 12 Inch King Quadcool Memory Foam Mattress is an all-foam bed built with a medium firmness profile. It features a cool-to-touch cover, gel-infused foam layers, and a ventilated 7-zone comfort system across a 12-inch profile. This king mattress fits you if you want zoned foam pressure relief and an all-foam build supporting up to 500 pounds.
Pros
- Ventilated 7-zone comfort system targets zoned body support
- Cool-to-touch cover combined with gel-infused memory foam
- OEKO-TEX certified cover and CertiPUR-US certified foam layers
- Includes a 10-year manufacturer warranty
Cons
- Takes up to 72 hours to expand fully after unboxing
- No innerspring or pocket coil base for bouncy support
- Maximum weight capacity is capped at 500 pounds
Good fit if
- You want an all-foam king mattress with a medium firmness rating
- You prefer zoned ergonomic support through a 7-zone foam system
- You want certified foams paired with a cool-to-touch fabric cover
Skip if
- You prefer the bounce and pushback of steel innerspring coils
- You need a mattress ready for use without a 72-hour expansion window
Verdict: Zinus 12 Inch King Quadcool Memory Foam Mattress delivers medium-feel zoned foam support paired with cooling gel layers and an OEKO-TEX certified cover. It provides structured memory foam alignment without incorporating traditional metal coils.
Zinus 12-Inch King Foam and Spring Hybrid
Best for: fans of traditional interconnected innerspring hybrids
- Size
- King (what this guide is about)
- Thickness
- 12 inches
- Firmness
- Medium Feel
- Mattress Construction
- Foam and Spring Hybrid
- Support Core
- Heavy-gauge steel coils
- Cover Material
- OEKO-TEX certified mattress cover
View on Amazon: Zinus 12-Inch King Foam and Spring Hybrid Affiliate link
This 12-inch hybrid mattress pairs CertiPUR-US certified foam with heavy-gauge interconnected steel coils. Built with a medium firmness, it delivers balanced support across an 80-by-76-inch king footprint. It supports up to 500 pounds and includes an OEKO-TEX certified cover alongside a 10-year warranty. You get continuous coil support rather than independent pocket coils, making it suitable if you prefer traditional innerspring pushback combined with cushioning foam.
Pros
- Heavy-gauge interconnected steel coils provide full-body support
- CertiPUR-US certified foam and OEKO-TEX certified cover
- 500-pound maximum weight capacity
- 10-year limited warranty included
Cons
- Uses interconnected coils instead of individually pocketed springs
- Weighs 94.9 pounds, requiring effort to move
Good fit if
- You prefer the connected, traditional feel of interconnected steel innersprings.
- You need a king hybrid rated for up to 500 pounds.
- You want certified materials, including CertiPUR-US foam and an OEKO-TEX cover.
Skip if
- You want individually wrapped pocket springs to isolate motion.
- You need a mattress lighter than 94.9 pounds for easier handling.
Verdict: Zinus 12-Inch King Foam and Spring Hybrid combines interconnected steel coils with certified foam for durable, medium-feel support. It provides traditional innerspring firmness and structure under a plush 12-inch profile.
Zinus 12 Inch Green Tea Memory Foam
Best for: side sleepers wanting cooling gel foam
- Size
- King (what this guide is about)
- Thickness
- 12 in
- Mattress Construction
- Memory Foam
- Support Core
- High density foam
- Certification
- CertiPUR-US certified
- Special Features
- Cooling Gel, Pressure Relieving
View on Amazon: Zinus 12 Inch Green Tea Memory Foam Affiliate link
This Zinus mattress uses a 12-inch profile with 2 inches of cooling gel and green tea infused memory foam. It includes 3 inches of soft comfort foam and 7 inches of high-density base support. The CertiPUR-US certification ensures foam durability and content safety. It weighs 78 pounds and measures 76 by 80 inches. You get a 10-year limited warranty. This model suits side sleepers and average-weight individuals seeking pressure relief.
Pros
- 12-inch height with 2 inches of cooling gel foam
- CertiPUR-US certified for durability and content
- 78-pound weight for manageable setup
- 10-year limited warranty included
Cons
- Memory foam only, no coil support system
- Requires 72 hours to fully expand
- Spot clean only care instructions
Good fit if
- You prefer a 12-inch thick mattress
- You want cooling gel infused foam
- You need CertiPUR-US certified materials
Skip if
- You require a hybrid coil system
- You need machine washable covers
- You want instant full expansion
Verdict: Zinus 12 Inch Green Tea Memory Foam offers cooling gel and CertiPUR-US certification for side sleepers. It fits those who prioritize foam comfort and safety standards over hybrid support.
Zinus 13-Inch King Cool Support Hybrid
Best for: tall hybrid support with pocketed coils
- Size
- King (what this guide is about)
- Thickness
- 13 in
- Firmness
- Medium Firm
- Mattress Construction
- Hybrid
- Support Core
- Individually wrapped coils
- Comfort Layer
- Cooling gel memory foam
View on Amazon: Zinus 13-Inch King Cool Support Hybrid Affiliate link
The Zinus 13-Inch King Cool Support Hybrid is a tall multi-layer mattress built with pocketed coils and cooling gel memory foam. At 13 inches high, it pairs heavy-duty individually wrapped coils with transition foam layers and a quilted pillow top. You get a medium-firm profile designed to reduce motion transfer and support alignment. It suits you if you want a thicker hybrid king mattress with certified foams.
Pros
- 13-inch height with a dual-layer quilted pillow top
- Heavy-duty individually wrapped pocket coils
- Gel-infused memory foam layer for pressure point relief
- CertiPUR-US and OEKO-TEX certified foams and fabrics
- 10-year manufacturer warranty
Cons
- Substantial 94.5-pound weight makes moving it difficult
- Available only in a 13-inch thickness
Good fit if
- You want a 13-inch hybrid mattress with a plush quilted pillow top.
- You prefer medium-firm support with individually wrapped coils.
- You want certified materials covered by a 10-year warranty.
Skip if
- You prefer an all-foam mattress without spring coils.
- You need a lower-profile mattress under 13 inches thick.
Verdict: Zinus 13-Inch King Cool Support Hybrid combines pocketed springs, gel foam, and a quilted pillow top into a sturdy medium-firm structure. It offers dependable support and motion isolation for sleepers who want a taller King mattress.
Specifications side by side
| Spec | Zinus 6-Inch King Green Tea Memory Foam Mattress | Zinus 12-Inch King Cooling Memory Foam Mattress | Zinus 12-Inch King Green Tea Memory Foam Mattress | Zinus 8-Inch Spring Sensation Hybrid King Mattress | Zinus 10-Inch Support Plus Pocket Spring King Mattress | Zinus 12 Inch King Quadcool Memory Foam Mattress | Zinus 12-Inch King Foam and Spring Hybrid | Zinus 12 Inch Green Tea Memory Foam | Zinus 13-Inch King Cool Support Hybrid |
|---|---|---|---|---|---|---|---|---|---|
| Size | King | King | King | King | King | King | King | King | King |
| Thickness | 6 in | 12 inch | 12 inch | 8 in | 10 in | 12 inches | 12 inches | 12 in | 13 in |
| Firmness | Medium Firm | Medium | Medium | Medium Firmness | Firm | Medium Feel | Medium Feel | not stated | Medium Firm |
| Mattress Construction | Memory foam | Memory foam | Memory foam | Hybrid; Euro top with innersprings | Hybrid foam and pocket coils | Memory Foam | Foam and Spring Hybrid | Memory Foam | Hybrid |
| Support Core | not stated | not stated | not stated | Heavy-gauge steel coils, interconnected | 7.5 in iCoil pocket springs | not stated | Heavy-gauge steel coils | High density foam | Individually wrapped coils |
| Comfort Layer | Green tea-infused memory foam | Cooling gel memory foam | Green tea memory foam | not stated | not stated | Gel-infused memory foam | not stated | not stated | Cooling gel memory foam |
| Cover Material | Poly jacquard | Breathable cover | not stated | not stated | Quilted jacquard cover | Cool to touch soft knit cover | OEKO-TEX certified mattress cover | not stated | Quilted pillow top |
| Certification | CertiPUR-US, OEKO-TEX | CertiPUR-US, OEKO-TEX, fiberglass free | CertiPUR-US, OEKO-TEX, fiberglass free | not stated | CertiPUR-US certified | CertiPUR-US, OEKO-TEX | CertiPUR-US, OEKO-TEX, Fiberglass Free | CertiPUR-US certified | CertiPUR-US & OEKO-TEX certified |
| Special Features | not stated | Pressure relief, motion absorbing | Pressure relief, motion absorbing | not stated | not stated | 7-zone comfort system, green tea | not stated | Cooling Gel, Pressure Relieving | Cooling gel, motion isolation |
| Intended Use | not stated | Side, back, and combination sleepers | Side, back, and combination sleepers | Supports up to 500 lbs | not stated | not stated | not stated | not stated | not stated |
| Color | White | White | White | White | White | White | White | White | White |
| Dimensions | 80 × 76 × 6 inches | 80 × 76 × 12 inches | 80 × 76 × 12 inches | 80 × 76 × 8 inches | 80 × 76 × 10 inches | 80 × 76 × 12 inches | 80 × 76 × 12 inches | 80 × 76 × 12 inches | 76 × 80 × 13 inches |
| Weight | 41.7 pounds | 82.7 pounds | 75.3 pounds | 72.1 pounds | 100 pounds | not stated | 94.9 pounds | 78 pounds | 94.5 pounds |
| Model | ZU-MFMA1ZZI-06K | ZU-MFMA1OZI-12K | ZU-MFMA1RZI-12K | ZU-MSSA1IZI-08K | AZ-PPSM-10K | ZU-MFGNU2ZU-12K | ZU-MSSA2BZI-12K | ZU-MFGN1YZI-12K | ZU-MSHO2SZI-13K |
If you want to alter surface firmness, you can view the specifications for the best king mattress toppers.
Choose Zinus King Mattress By Specs
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Match Thickness To Frame
Check the height before buying. Your bed frame must support the mattress thickness. The Zinus 6-Inch King Green Tea Memory Foam Mattress stands at 6 inches tall. It fits low-profile frames better than taller options. The Zinus 13-Inch King Cool Support Hybrid reaches 13 inches. It needs a sturdy foundation with ample clearance. Verify your frame rails can handle the weight and height. Selecting the wrong size may void warranties or cause damage. Measure your space carefully to ensure a proper fit.
-
Select Firmness For Sleep Style
Firmness affects spinal alignment and comfort. Side sleepers often need softer surfaces to cushion shoulders. The Zinus 12-Inch King Cooling Memory Foam Mattress offers a medium feel. It contours to curves without excessive sinkage. Stomach sleepers usually require firmer support to keep hips aligned. The Zinus 10-Inch Support Plus Pocket Spring King Mattress provides a firm profile. It prevents sagging under heavier weight. Match the firmness level to your primary sleeping position for optimal support.
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Pick Construction Type
Construction determines feel and durability. Memory foam contours closely to your body. The Zinus 12-Inch King Foam and Spring Hybrid combines foam with coils. It offers a balanced feel for those who want some bounce. All-foam models like the Zinus 6-Inch King Green Tea Memory Foam Mattress isolate motion well. Hybrid models use coils for airflow and support. Choose foam for deep pressure relief. Choose hybrids for cooler sleep and responsive bounce. Your preference dictates the best construction type.
-
Consider Weight Capacity
Weight capacity ensures long-term durability. Heavier sleepers need robust support systems. The Zinus 10-Inch Support Plus Pocket Spring King Mattress supports up to 500 pounds. Its pocket springs and firm build handle heavy loads effectively. Lighter sleepers may prefer softer foams for comfort. The Zinus 6-Inch King Green Tea Memory Foam Mattress weighs only 41.7 pounds. It is easier to move but offers less structural bulk. Check the stated capacity to prevent premature wear and sagging.
-
Verify Certifications
Certifications guarantee material safety. Look for third-party testing labels. The Zinus 12 Inch Green Tea Memory Foam carries CertiPUR-US certification. This ensures the foam meets strict standards for content and emissions. The Zinus 12-Inch King Green Tea Memory Foam Mattress also uses certified materials. These labels confirm the absence of harmful chemicals. They provide peace of mind for indoor air quality. Always check for these marks if you have sensitivities or allergies. Certified foams offer reliable comfort without compromising health.
Frequently asked questions
Which Zinus King mattress is best for low-profile bed frames?
The Zinus 6-Inch King Green Tea Memory Foam Mattress is the top choice for low-profile frames. Its 6-inch height and 41.7-pound weight make it the lightest option in this list. This slim profile fits better under low-clearance bases than thicker 12-inch or 13-inch models.
Does the Zinus 10-Inch Support Plus Hybrid isolate motion well?
Yes, the Zinus 10-Inch King Support Plus Hybrid offers strong motion isolation. It uses pocket springs to minimize movement transfer across the bed. This firm hybrid also supports up to 500 pounds, making it suitable for couples sharing a King-sized surface.
Are any of these mattresses fiberglass-free?
Several models use certified fiberglass-free materials. The 12-Inch King Cooling Memory Foam Mattress and the 12-Inch King Green Tea Memory Foam Mattress both feature certified foam designs that exclude fiberglass. This ensures safety and comfort without using traditional fire barriers in the core layers.
Which Zinus King mattress has the thickest profile?
The Zinus 13-Inch King Cool Support Hybrid is the thickest option listed. It stands at 13 inches tall and weighs 94.5 pounds. This model combines pocketed springs, gel foam, and a quilted pillow top for substantial height and sturdy medium-firm support.
Is there a Zinus King mattress with zoned cooling support?
The Zinus 12 Inch King Quadcool Memory Foam Mattress provides zoned cooling comfort. It features medium-feel zoned foam support paired with cooling gel layers. The cover is OEKO-TEX certified, adding an extra layer of safety and breathability for temperature regulation.
Which model is best for stomach sleepers who need firm support?
The Zinus 10-Inch King Support Plus Hybrid is ideal for stomach sleepers. It delivers a firm profile with heavy-duty coil support. The 500-pound capacity ensures stability, while the pocket springs help isolate motion for partners sharing the King-sized bed.
How much does the Zinus 6-Inch King Green Tea Memory Foam Mattress weigh?
The Zinus 6-Inch King Green Tea Memory Foam Mattress weighs 41.7 pounds. This lightweight design makes it easy to move and position. Its compact size and low weight suit sleepers who prefer a minimalist all-foam build without the bulk of thicker hybrids.