Protect your mattress and your sleep with the LINENSPA Encasement Mattress Protector. Designed with a zippered end to completely surround your mattress, this protector deters bed bugs, dust mites and allergens from reaching your mattress. A waterproof polyurethane layer blocks fluids and spills to preserve your mattress and its , which may be voided by stains. Soft, breathable fabric helps maintain a cool temperature and comfortable sleep surface. A thin, noiseless waterproof membrane has micro-pores that allow air to pass while blocking liquids, bugs and allergens for protection that does not compromise airflow. Designed to provide a secure fit on mattresses up to 12 inches deep, this protector feels and sounds like sleeping on fabric, not a sweaty, crinkly tarp. The LINENSPA Encasement Mattress Protector completely surrounds your mattress and zips closed to form a reliable barrier against fluids, spills, bed bugs, dust mites and allergens. Lightweight fabric backed by a thin waterproof barrier guards the top, sides and bottom of your mattress. This vinyl free protector is safe for use with children and pets. For convenience, protector is machine washable and dryer safe. Machine wash hot. Tumble dry low heat. Do not bleach, iron or dry clean. Surface fabric: 100 percent polyester, Backing: 100 percent polyurethane