The Mattress Protector

Everything-proof your Casper

Our waterproof mattress protector keeps your mattress looking and feeling brand new by guarding against dirt, spills, and normal wear and tear.

Select a size

100 night trial free returns

We're confident you'll love your Casper, so we give you 100 nights to try it on us or we'll give you a full refund. Learn More

Air moves through, stains stay out

We engineered our mattress protector with the same waterproof material used in premium outdoor gear. Its microscopic pores are small enough to keep spills out but large enough to let air in, so your mattress stays cool, clean, and comfortable for longer.

Measurements & dimensions


39” x 75”

Twin XL

39” x 80”


54” x 75”


60” x 80”


76” x 80”

CAL King

72” x 84”

Country of origin

Fabric made in USA and finished in Mexico.


  • Knit Top: Polyester and Spandex
  • Skirting: Polyester, Nylon, and Spandex
  • Polyethylene

Shipping info

We ship via UPS Ground.

Shipping costs

Free shipping and free returns in the US and Canada


1-year limited warranty. Read More

Great sleep, made simple