Protects against dust mites, fluids, urine, perspiration, allergens and bacteria (OEKO-TEX certified). Hypoallergenic cotton terry surface with membrane back coating. (waterproof, noiseless and breathable) Great for those with kids, pets, allergies, asthma, eczema or incontinence. Crinkle-free protector can be machine washed and dried on low heat. Bedecor Premium Mattress Protectors Provide Reliable Protection for Your Mattress and Comfort Protects against allergens, dust mites, bacteria, perspiration, urine and fluids Bedecor Premium Mattress Protectors offer protection against dust mites, fluids, urine, perspiration and allergens making them especially helpful for those with kids, pets, allergies or incontinence. Bedecor mattress protectors trap dust mites, allergens 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 more allergen free sleep environment for you and your family. Soft Cotton Terry Surface - Breathable, Cool and Noiseless To keep our protectors cool and noiseless, the surface material is made with soft cotton terry back coated with a breathable, hypoallergenic and 100% waterproof membrane layer. Cotton terry 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 Machine-wash with your sheets using normal household detergents that do not contain bleach. Tumble dry on low heat. Do not iron. This is great for those with any type of mattress including innerspring, latex or memory foam.