100% Waterproof Provides six-sided premium protection against liquids and stains - keeping the entire box spring fresh and clean. Bed Bug Proof Super fine zipper with Invisi-Zip and SureSeal technology completely seals off your box-spring from bed bugs - best used with a SureGuard Mattress Encasement and SureGuard Pillow Protectors. Allergy Relief Blocks common allergens like dust mites, pollen, pet dander, mildew and mold. Soft and Noiseless The smooth stretch-knit surface hugs to your box-spring like a glove Easy to Install Includes step-by-step instructions and free adhesive felt pads to cover any sharp edges on your bed frame. Simple to Clean Machine wash with cool water. Tumble dry low heat or air dry. Do not bleach, iron, or dry clean.