Protect your family and your bed investment with this Fashion Bed Group Bed Bug Prevention Pack Plus. Surface staining voids most manufacturer pillow, mattress and box spring warranties. The encasements in this set fully surround your bed foundation to protect against moisture, pet dander, allergens, bed bugs, stains, dust mites, and other harmful items. This set includes an InvisiCase 9-Inch encasement for mattresses up to 12-inches thick, a non-woven, zippered box spring encasement that fits up to 9-inches thick, and a pillow protector. This bundle is machine washable and available in a variety of size options.