The All-In-One Bamboo Comfort Mattress Protector with Bed Bug Blocker by Fresh Ideas provides unique protection against bed bugs, dust mites and other allergen irritants with the cooling comfort of bamboo-derived cotton. Each mattress cover starts with plush fabric and is lined with an innovative coating designed to keep bed bugs and dust mites out. This coating, along with our double-sewn seams, provide total protection for your mattress investment. The mattress encasement also features an inner flap, velcro closure and zipper to block bed bugs and dust mites, as well as allergy irritants. Bamboo-derived cotton-blend fabric sleeps cool and wicks moisture so you and your family can sleep soundly. The stretch sidewalls neatly fit most mattresses/box springs up to 15 inches. Available size options include Twin, Twin XL, Full, Queen, King and California King sizes. Satisfaction guaranteed or return to us within 5 years for a full refund. Cover: 70% Cotton/30% Rayon made from Bamboo; Lining: 100% Polyurethane; Reverse: 50% Polypropylene/50% Polyethylene; Sidewall: 100% Polyester. Machine wash cold. Permanent press cycle with like colors. Do not bleach. Tumble dry no heat. Do not iron. Do not dry clean. Imported.