Bed Bug Blocker All-In-One Zip-Up Mattress Protector Prevents Bugs, Mites and Allergens, Queen 60% Cotton/ 60% Polyester Lined With 100% Polyurethane; Reverse 50% / Polyethylene/ 50% Polyethylene; Sidewall 100% Polyester Imported TECHNOLOGICALLY ADVANCED PROTECTION  Mattress protector has a 2 layer system block bed bugs, dust mites, and allergens. TOTAL ENCASEMENT- Mattress cover has a triple seal system with heavy duty seams to keep your mattress clean and fresh. SOFT COTTON BLEND  60% cotton 40 % polyester is soft to the touch. Inner lining of 100% polyurethane wont make noise as you sleep. DOCTOR RECOMMENDED - Recommended by allergists and entomologists to help allergy sufferers. Hypoallergenic. FITS UP TO 15 INCHES DEEP  Stretch sidewalls allow complete coverage for mattresses up to 15 inches deep. COTTON RICH PROTECTION- Cotton blend upper; Reverse: 50% Polyethylene/50% Polypropylene; Sidewall: 100% Polyester SUPERB PROTECTION - Protects against bed bugs and allergens. TECHNOLOGICALLY ADVANCED PROTECTION - 2-layer special coated fabric with triple-seal closure system. DOCTOR RECOMMENDED - Recommended by allergists and entomologists DOCTOR RECOMMENDED - Recommended by allergists and entomologists