Protect your mattress with the Original Bed Bug Blocker Zippered Mattress Protector. This mattress cover features a 3-layer microporous barrier and a triple seal zippered enclosure to protect against bed bugs and other allergens, including dust mites and pet dander. It also features an exclusive ultrasonic seal along the seams for an even stronger barrier. It’s also doctor, allergist and entomologist recommended. It fits easily over mattresses up to 15-inches deep and is machine washable, as well as water-resistant.