(4 pack) Mainstays Cooling Waterproof Fitted Mattress Protector, King
(4 pack) Mainstays Cooling Waterproof Fitted Mattress Protector, King
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Mainstays

(4 pack) Mainstays Cooling Waterproof Fitted Mattress Protector, King

4.3 stars out of 1625 reviews
(4.3)|
1,625 ratings
(4 pack) Mainstays Cooling Waterproof Fitted Mattress Protector, King4 pack Mainstays Cooling Waterproof Fitted Mattress Protector KingMainstays Cooling Waterproof Fitted Mattress Protector QueenMainstays Cooling Waterproof Fitted Mattress Protector California KingMainstays Cooling Waterproof Fitted Mattress Protector TwinMainstays Cooling Waterproof Fitted Mattress Protector Twin XLMainstays Cooling Waterproof Fitted Mattress Protector KingMainstays Cooling Waterproof Fitted Mattress Protector Full

Key item features

  • Cool to the touch
  • Protects mattress from spills and stains
  • Waterproof
  • Allergy barrier top
  • Easy on/off fitted style
  • This product is treated with an antimicrobial agent to inhibit the growth of odor-causing bacteria. Protects the product itself and not the user
  • Machine washable
  • Imported
  • Size: King
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Customer ratings & reviews

4.3 out of 5 stars
stars1,625 ratings431 reviews
How item rating is calculated
  1. 5 stars72% (1,172)
  2. 4 stars10% (159)
  3. 3 stars5% (89)
  4. 2 stars3% (49)
  5. 1 star10% (156)

Reviews summary

Pros
  • : Offers a ventilated sleeping surface.
  • : Provides a comfortable and secure fit on the mattress.
  • : Regulates body temperature during sleep.
  • : Offers good quality at a lower cost.
  • : Made with durable and comfortable components.
Neutral
  • : Can be stretchy and high-quality, but also thin and slippery.
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Showing 1-3 of 431 reviews

Nov 8, 2025
Destinee
Top Reviewer
Item details
Size: Queen
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Worth it

Feels so good and cooling. I had a plastic one prior to this and it made me sweat horribly throughout the night. This one does not do that. It is a bit more expensive but worth it. It fit and went on easily. It is also soft and comfortable. You can barely tell it is on under your sheet

Helpful?6VGJCU9TGYLK15558306425
Jul 22, 2025
anonymous
Top Reviewer
Item details
Size: Queen
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

So far so good

So far so good I like how it fits my mattress and it's not hot I have a memory foam 12” Queen with the cooling gel in it so I was afraid putting a mattress protector on it would make it hot but this one isnt it feels more like rubber like a thin stretchy rubber. It hasn't affected how it feels as far as the comfort. I can't tell I have it on my bed at all. It has three year warranty as well so I feel good about that, just keep your receipt with the box.

Helpful?6VGJCU9TGYLK15558306425
Oct 9, 2025
Me
Item details
Size: King
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Was better than I expected, wanted something quick, figured this would work till I found something better since I didn't want my expensive mattress to get anything on it , to my surprise this was awesome,, price was so low, I figured I was getting the good stuff 🤣 %26 needed for the next day . I didn't need to look any further this one was Great!!

Helpful?6VGJCU9TGYLK15558306425