The SafeRest Super King Waterproof Mattress Protector is our top pick due to its CertiPUR-US certified membrane, OEKO-TEX certification, and strong owner satisfaction. For a budget-friendly alternative, the Linenspa Waterproof Mattress Protector offers reliable protection at a lower price.
Finding the best waterproof mattress protector for a super king bed requires balancing protection, comfort, and durability. Our research team ranked the top 7 models based on specifications, certifications (CertiPUR-US, OEKO-TEX), and aggregated owner reviews, focusing on factors like noiseless materials, breathability, and fit for deep mattresses.
We compared each protector’s construction, including cotton terry vs. polyester surfaces, membrane types, and waterproofing technology. Owners report that the best protectors remain undetectable under sheets while effectively blocking spills, allergens, and dust mites. Below are our rankings.
SafeRest Super King Waterproof Mattress Protector
Features a cotton terry surface for breathability and a vinyl-free waterproof membrane. CertiPUR-US certified polyurethane backing and OEKO-TEX certification. Fits mattresses up to 18 inches deep.
Check current priceHow we research and rank
We do not take payment for placement and we do not physically test products. Rankings come from manufacturer specifications, material certifications (CertiPUR-US foam, OEKO-TEX textiles), and the weight of aggregated verified owner reviews, analyzed for durability, heat retention and sagging. The scores in this guide are MattressVetted editorial research ratings — our assessment of the available evidence, not customer star averages. See how we rate.
How this guide was researched
- Final picks: 7 products, chosen from the models most searched and bought in this category.
- Evidence used: manufacturer specifications, independent certifications (CertiPUR-US foam, OEKO-TEX textiles), and aggregated verified-purchase owner reviews.
- Scoring weights: Construction 20%, Comfort 20%, Support 20%, Temperature 15%, Durability 10%, Motion and edge 5%, Trial and warranty 5%, Value 5%.
- Testing: we do not physically test products. Scores are our editorial research assessment, not a customer star average.
- Research reflects: July 2026.
Full method on our how we rate page.
The picks, compared
SafeRest Super King Waterproof Mattress Protector
Shoppers wanting a reliable, certified protector · Type: Fitted sheet style | Firmness: N/A | Trial: 30-day return
Features a cotton terry surface for breathability and a vinyl-free waterproof membrane. CertiPUR-US certified polyurethane backing and OEKO-TEX certification. Fits mattresses up to 18 inches deep.
What owners report: Owners praise its quiet, noiseless performance and effective spill protection. Many note it stays in place without shifting.
- CertiPUR-US and OEKO-TEX certified
- Breathable cotton terry surface
- Deep pockets fit up to 18 inches
- May feel slightly warm for some
- Not machine washable in hot water
Linenspa Waterproof Mattress Protector Super King
Budget-conscious buyers needing a basic protector · Type: Fitted sheet style | Firmness: N/A | Trial: 30-day return
Affordable polyester knit cover with a polyurethane waterproof layer. Soft, noiseless, and breathable. Fits mattresses up to 14 inches deep.
What owners report: Owners say it’s a great value and works well for occasional spills. Some mention it may pill after washes.
- Low cost
- Soft and quiet
- Easy to clean
- Shallow pockets not for deep mattresses
- May pill over time
PlushDeluxe Premium Bamboo Waterproof Mattress Protector
Hot sleepers needing breathability · Type: Fitted sheet style | Firmness: N/A | Trial: 60-day return
Bamboo-derived rayon surface for moisture-wicking and cooling. Waterproof membrane is vinyl-free and noiseless. Fits up to 18 inches.
What owners report: Owners love the cooling feel and how it doesn’t trap heat. Few note slight crinkling initially.
- Cooling bamboo fabric
- Noiseless
- Deep pockets
- Higher price
- Some find surface less soft than cotton
Utopia Bedding Waterproof Mattress Protector Super King
Those wanting a balance of price and quality · Type: Fitted sheet style | Firmness: N/A | Trial: 30-day return
Microfiber surface with a waterproof TPU backing. Machine washable, noiseless, and stain-resistant. Fits up to 15 inches.
What owners report: Owners find it a solid middle-ground option. Many report it fits well and protects well.
- Good value
- Noiseless
- Machine washable
- Not as breathable as bamboo or cotton
- Shallow for extra-thick mattresses
SureGuard Mattress Protector Super King
Side sleepers needing a soft, noiseless cover · Type: Fitted sheet style | Firmness: N/A | Trial: 60-day return
Cotton terry top with a waterproof polyurethane membrane. OEKO-TEX certified and free of phthalates. Fits up to 18 inches.
What owners report: Owners appreciate the soft, comfortable feel and quietness. Some report it helps with allergies.
- OEKO-TEX certified
- Soft and comfortable
- Deep pockets
- Slightly heavier than some
- May cause warmth for very hot sleepers
LUCID Waterproof Mattress Protector Super King
Those wanting a durable, firm-feel protector · Type: Fitted sheet style | Firmness: N/A | Trial: 30-day return
Polyester blend with a thick waterproof PU layer. Offers a slightly firmer surface feel. Fits up to 16 inches.
What owners report: Owners say it’s durable and holds up to heavy use. Some note it adds a slight stiffness.
- Durable
- Effective waterproofing
- Affordable
- Slightly crinkly sound
- Less breathable
Bamboo Bay Premium Waterproof Mattress Protector
Those wanting a blend of softness and protection · Type: Fitted sheet style | Firmness: N/A | Trial: 30-day return
Bamboo viscose and polyester blend with TPU backing. Noiseless and breathable. Fits up to 18 inches.
What owners report: Owners love the silky feel and cooling properties. Many mention it fits deep mattresses well.
- Silky feel
- Cooling
- Deep fit
- Premium price
- Slight chemical smell initially
Frequently asked questions
What is the best waterproof mattress protector for a super king bed?
Our top pick is the SafeRest Super King Waterproof Mattress Protector due to its CertiPUR-US and OEKO-TEX certifications, breathable cotton terry surface, and strong owner reviews. It offers reliable protection without noise or heat retention.
Are waterproof mattress protectors noisy?
Most modern protectors use thin polyurethane or TPU membranes, which are essentially noiseless. Owners report that the top-rated models like SafeRest and PlushDeluxe have minimal to no crinkling sound when moving.
How do I wash a waterproof mattress protector?
Most can be machine washed in cold or warm water on a gentle cycle. Avoid bleach and fabric softeners, and tumble dry on low heat. Check the label as some recommend line drying.
Will a mattress protector make my bed feel hotter?
Some protectors can trap heat, but many now incorporate breathable materials like cotton terry or bamboo rayon. The PlushDeluxe Bamboo and Bamboo Bay models are great for cooling.
Do mattress protectors fit deep mattresses?
Yes, many models from SafeRest, PlushDeluxe, and SureGuard have deep pockets that fit mattresses up to 18 inches thick. Always measure your mattress depth before buying.
The verdict
The SafeRest Super King Waterproof Mattress Protector is our overall winner for its certifications, comfort, and owner approval. For a budget option, the Linenspa protector delivers solid value. Side sleepers will appreciate the softness of the SureGuard model.
