Sleep Defense Premium 100% Waterproof/Bed Bug Proof Noiseless Mattress Encasement, Fully Protect Your Mattress from Bed Bugs, Fluids, Mites and Allergens, Queen Standard Made from Soft Knit Polyester Hypoallergenic Fabric Imported Allergy relief - scientifically proven to protect from fluids, mites, allergens and bed bugs, offering relief from allergies, eczema, asthma 100% Waterproof - watertight zipper keeps fluids from seeping in, making it 100% waterproof barrier on all 6 sides of mattress encasement Bed bug proof - innovative snap-lock technology, keeps even the tiniest of bacteria from escaping, unique cover keeps zipper from opening Soft, breathable & noiseless - sleep comfortably with specially designed breathable and noiseless fabric, a waterproof membrane sewn Secure fit and easy to maintain - easy to affix, soft stretchable and noiseless fabric, to fit any mattress depth from 12" to 18"