The AllerEase Reserve Collection Zippered Mattress Protector is a waterproof cover designed to protect your mattress from spills, stains, and allergens. Made of a blend of polyester and cotton, this white mattress protector in size King is perfect for teens, adults, and kids alike. The zip closure ensures a secure fit while allowing for easy maintenance. Ideal for use in the bedroom, this AllerEase protector adds an extra layer of protection to your sleeping space.