SafeRest Premium Mattress Protectors Provide Undetectable Protection for You and Your Family. Protects against perspiration, urine and fluids. SafeRest Premium Mattress Protectors offer protection against fluids, urine, perspiration and making them especially helpful for those with kids, pets or incontinence. As we sleep we shed thousands of dead skin cells, which can quickly accumulate providing an ideal environment. SafeRest mattress protectors trap and skin cells on the surface of the protector where they can be easily washed away during suggested quarterly launderings. This helps provide a cleaner environment for you and your family. Viscose Bamboo Quilted Jacquard Design - Breathable, Cool and Noiseless. To keep our protectors cool and noiseless, the surface material is made with bamboo viscose derived material coated with a breathable and 100% waterproof membrane layer. Naturally absorbs moisture and is completely noiseless. Fitted Sheet Style to ensure a great fit, an elastic band is used on the side skirt to automatically pull excess material under the mattress. Machine Washable with your sheets using normal household detergents that do not contain bleach. Tumble dry on low heat. Do not iron. Our mattress protectors will not change the feel of your mattress. This is great for those with any type of mattress including innerspring, latex or memory foam.