208*40.6*200.6cm, black Material: 210D silver coated waterproof Oxford fabric. Each waterproof storage bag is made of 100% polypropylene for effective protection, reusable and biodegradable, 100 times faster than clear plastic alternatives. Perfect storage: The storage mattress protector is designed to be stored in the attic or basement for long periods of time, the storage bag is weatherproof, breathable, insulated, dustproof and mildewproof.