JT Eaton 81FULENC Bed Bug Lock-Up Total Encasement Mattress Cover, Full Traps bed bugs in its durable encasement and keeps dust mites, bed bugs and other allergens from invading your mattress Zipper cover fits snugly around a full size mattress with a double knit body and waterproof membrane Double zipper keeps bed bugs locked out and the breathable material reduces heat and sweating Machine washable Comes with a 1-year limited warranty