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Woman setting up a waterproof mattress protector on a bed in a bedroom. Text on the image says "Fits mattresses up to 18" deep."

Corner view of a waterproof mattress protector on a bed. A badge on the image says "Waterproof design. Keeps messes out."

Corner view of the Waterproof Mattress Protector on a Cloud One mattress

Casper

Waterproof Mattress Protector

BEST SELLER

$109

Everything proof your mattress.

The waterproof design guards your mattress against dirt, spills, and more. Pairs perfectly with your Casper mattress so it feels just like it should.

Why you'll love it

WATERPROOF DESIGN: Keeps your mattress dry and clean, even when life gets messy.
CRINKLE-FREE COMFORT: Quiet materials protect your mattress without sacrificing comfort.
THE PERFECT FIT: Our active stretch materials perfectly hug any mattress up to 18 inches deep.

Select your size:

Twin Twin XL Full Queen King California King

In-stock, ships in 1-2 business days | Free shipping

Got Questions

Chat with us now, or give us a call: +1.888.498.0003

Our friendly Sleep Specialists are dedicated to helping you find the mattress of your dreams!

Waterproof Mattress Protector

$109

Select your size:

$109

Product specifications

Measurements & Dimensions

*All sizes of the Waterproof Mattress Protector fit mattresses up to 18" deep.

Twin

39" x 75"

Twin XL

39" x 80"

Full

54" x 75"

Queen

60" x 80"

King

76" x 80"

California King

72" x 84"

Materials & Care

Top: Polyester with Thermoplastic Polyurethane
Skirting: Polyester and Spandex
For best results, we recommend you machine wash on cold and tumble dry low. It will be tempting to wash and dry on hot — resist this urge! Heat drying could cause delamination and shrinkage. We want your protector to last as long as possible. You may also opt to air dry. We do not recommend dry cleaning the protector. Do not use solvents, bleach, or fabric softener.

Warranty, Shipping, & Returns

Free shipping via UPS – additional shipping fees apply to Alaska and Hawaii. Click here to learn more about our delivery process.

You can return your Casper item and get a full refund within 30 days of delivery or within 30 days of an in-store purchase, provided the merchandise is unused and in its original packaging and condition.

Subject to 1-year Limited Protector Warranty.

Overall rating: 4.1448655 / 5 from 1636 reviews.

AI Generated Review Summary

The waterproof mattress protector is highly praised for its excellent fit, quality, and protection. Customers appreciate its ability to provide a great night's sleep and its effectiveness in safeguarding the mattress from dirt and spills. However, opinions vary on the comfort of the sheets and cover.

Summary topics

Product Quality: 12%
Mattress Protector Fit: 29%
Sleep Quality: 6%
Protection Effectiveness: 17%
Product Effectiveness: 3%

Review topics: ["fit","quality","cover","mattress","feel","material","fabric","protector","looks","sound","size","bed","comfort","heat","support","sleep","surface","plastic","customer service","casper","thickness","delivery","texture","work","durability","base","water","sheets","packaging","weight"].

Review highlights

"The Casper mattress protector is a breatheable, smooth fabric, the mattress feels cool with it on." — Brenda L.
"Good quality materials and fits matters well." — Louis
"I am also very impressed with the sheets, pillows and the bed itself." — Paul

Reviews

Good fit (Queen size snow)

"Good fit (Queen size snow) and good stretch. No plasticy feel or sound. Haven’t tested whether it is really waterproof, but happy with the purchase so far."

— Brandon W. (5/5)

We bought the dream, the

"We bought the dream, the one and foundation. Super great delivery and very easy setup for all. Due to my asthma we opened mattresses in another bedroom to allow for the off-gassing for I think 4 days and then put in our room. Great sleep from day one and still great!"

— Lee K. (5/5)

Very comfortable. The balance between

"Very comfortable. The balance between comfort and support is spot on. We are second time buyers of Casper and will continue to buy in the future."

— Scott W. (5/5)

The mattress sid not fir

"The mattress sid not fir the bed frame. I was very disappointed and did not get a response when I tried to correct the problem."

— Melissa B. (1/5)

Hope I don’t need it

"Hope I don’t need it but I am getting older. Good to know this will protect my mattress."

— Matthew M. (5/5)

Protect your purchase you never

"Protect your purchase you never know what might happen"

— Patricia M. (5/5)

Works great with the Casper

"Works great with the Casper mattress."

— Mel A. (5/5)

Works as it should.

"Works as it should."

— Kody J. (5/5)

Always a must to protect

"Always a must to protect"

— Tammy M. (5/5)

Very happy with all the

"Very happy with all the Casper products."

— Margaret M. (5/5)

Q&A

Person browsing products in a store with shelves displaying various items.

Find a Casper store near you

Feel the difference in person. Try products for yourself and chat with a Sleep Specialist at a store near you.

Find a store

Two people examining a Casper mattress in a store setting.

Connect with a Sleep Specialist

Our Sleep Specialists are dedicated to helping you find the mattress of your dreams. Give us a call or chat with us now.

Email us Call +1-888-498-0003

Elevate your sleep game

SAVE 25%

White sheet set, folded, stacked on top of two Hybrid Snow Pillows against a white background

Two Hybrid Snow Pillows with a close-up of the inside material of the pillow. Text on the image reads "Down Alternative. Ultra soft foam. Medium feel."

Cool Sleep Bundle

From:

$216

Comp. Value:

$288

BEST SELLER

Waterproof Mattress Protector

$109

Breathable Mattress Protector

$129

BEST SELLER

Original Pillow

$75

What is Comp. Value?

A man unboxes his Casper mattress on his bed frame.

What is Comp. Value?

Our Comparable Value prices reflect the price at which we or third parties have offered this item or a comparable item.

How does Casper create the best value products for their sleepers?

Everything must help sleep and must be tested.

Our team regularly searches the market and tests comparable mattress and sleep products to ensure that ours offer top-quality materials, the most value for your dollar, and the best sleep experience on the market.

Every Casper mattress is designed and assembled in the USA.

As part of the Carpenter Co family, Casper mattresses are manufactured by the largest foam manufacturer in the world—no middle man, no markups, just the best prices for our sleepers.

We don’t rely on gimmicks—just 12+ years of expertise.

With 12+ years in the mattress and bedding industry, the Casper team knows what makes a great night’s rest and what’s just fluff. Our mattresses and bedding are obsessively-engineered and precisely-layered to help you get your deepest sleep ever.

We don’t sleep on getting you the best possible deal.

The Comp. Value shown for Casper products is never set it and forget it. Our team conducts thorough market research every quarter to ensure our comparable value is always accurate to the bedding market and the three most comparable products, so you never have to worry about missing out on savings.

A Casper store associate interacts with a person by a mattress.