ZipGuard+ Bed Bug Mattress Cover, Waterproof Bed Bug Proof Zippered Mattress Encasement (Queen) Six sided protection completely seals your mattress against bed bugs and liquid spills Excellent for allergy sufferers and pet owners. Prevents dust mites, pet dander and other allergens from penetrating your mattress Magic Tape with zip lock protection blocks bed bugs from passing through the zipper Fits mattresses between 9 inch and 12 inch height Waterproof fabric is quiet and comfortable and will not change the feel of your bed