Velfont Premium Waterproof and Breathable Hypoallergenic Mattress Protector - 100% Cotton Terry Surface - King Size Cotton Mattress protector with a 100% cotton terry surface and polyurethane membrane, ultra-thin and imperceptible With Sanitized antimicrobial treatment, breathable and 100% waterproof: full protection against dust mites, allergens, bacteria, perspiration, urine and accidental spills (10-Year Warranty) Recommended for asthma, allergy and eczema sufferers. Manufactured according to Oeko-Tex Standard 100, which ensures no harmful substances have been used. Machine wash and dry for an easy care and practical use. Doesn't change the feel of your mattress, is noiseless and highly absorbent It fits as a fitted sheet (elastic all around) adapting to any mattress depth up to 19"