MALOUF Sleep TITE ENCASE OMNIPHASE Bed Bug Proof Waterproof Temperature Regulating Mattress Protector - King Lab-certified bed bug proof protection that encases the entire mattress Breathable H2PRO waterproof membrane allows air to pass while blocking liquids, allergens, bed bugs and dust mites OMNIPHASE phase change fabric absorbs, stores and releases heat to prevent overheating Ultra-soft TENCEL fiber offers superior moisture wicking for a cool, dry sleep surface 360 degree zipper for easy application and total protection for mattress depths up to 22 inches; 15-year U.S. warranty