Protect-A-Bed Bug Lock Plus Full Size three Pack Brand New, The Protect-A-Bed reg BugLock Plus Mattress Encasement with Secure Seal provide an economical solution for bed bug protection. It Features BugLock with Secure Seal tresses bed bugs in or out saving the mattress. This BugLock Plus Mattress Encasement has a Polyurethane Miracle Membrane coating on top sleep surface is waterproof. It's machine washable in hot or warm water. BugLock Plus Mattress Encasement Mattress Encasement, Polyurethane Miracle Membrane reg, BugLock 3 Sided Zipper - Innovative Secure Seal reg - Eliminates Spaces Where Bugs Could Enter, Stretch Knit Side Panels - For Easy Installation, Especially Helpful In Cases Of Accidents and Incontinence, Air Vapor Porous, Absorbent and waterproof, Non Woven, Machine Washable Tumble Dry Fabric, Expandable Depth Fabric