NOVOshield Bed Bug & Allergen Waterproof Deep-fitted Mattress Encasement, King/78 x 80" 100% Polyester Imported Lab tested bed bug & allergen proof 6 sided protection - plus waterproof breathable membrane backing throughout 3 sided easy opening zipper for easy mattress encasement and Box spring encasement , industrial strength zippers are Extra durable Fits up to 16deep mattresses - exclusive stretch knit construction Care instructions: machine wash warm water Independently Lab tested in the USA