QXZ1022 Features: * Mattress cover * Material: 100% Polyester * Zip N" Stick tape closure * Certified Bedbug proof and independently tested * Luxurious 100% Stretch Polyester knit laminated to Urethane membrane on all sides * 100% Waterproof * Dust allergen proof * Breathable for cool and comfortable sleep * Machine wash warm and tumble dry low Options: * Available in twin, long twin, full, queen, king and California king sizes * Available in sizes that fit mattresses 9", 12" and 16" deep Warranty: * Manufacturer provides 5 years warranty