Sleep tight with the Leggett & Platt QD0162 full size mattress cover. Uncovered mattresses facilitate the perfect conditions for the breeding of dust mites that can cause allergies, asthma, eczema and rhinitis.These dust mites, which are invisible to the naked eye, live on the millions of skin cells and body fluids that humans expel every night. This protector is bed bug proof as well. Protect yourself as well as your mattress by covering your mattress with the EasyZip Expandable Surround Protector. Easy Zip has an easy to unzip top for cleaning.