SafeRest Lab Tested Encasements Protect Your Mattress Against Bed Bugs, Fluids, Dust Mites and AllergensThrough extensive research and development, SafeRest has created a better way to protect your mattress from bed bug infestations while at the same time creating a barrier against dust mites, allergens and fluids. Those who perspire while sleeping or have children, pets or incontinence will also benefit from SafeRest's waterproof technology.Lab Tested and Certified Bed Bug Proof Our encasements were specifically designed and lab tested for complete bed bugs and allergy protection combining cutting edge Micro-Zippers along with breathable bed bug and allergen proof fabric. Rather than disposing of expensive unprotected mattress sets, SafeRest encasements safeguard your mattress against potential bed bugs.Hypoallergenic Soft Cotton Terry Surface - Breathable, Cool and Noiseless To keep our encasements cool and noiseless, the surface material is made with hypoallergenic soft cotton terry back coated with a breathable 100% waterproof membrane layer. Our premium cotton terry naturally absorbs moisture and is completely noiseless.Exclusive 360 Secure Velcro Flap with Exclusive Micro-ZipperOur patented 360 Secure Velcro flap protects the zipper from accidental openings while our exclusive Micro-Zipper blocks any size bed bug from passing through the zipper's teethe.Machine WashableMachine-wash with your sheets using normal household detergents that do not contain bleach. Tumble dry on low heat. Do not iron.SafeRest encasements contain no vinyl, phthalates, flame retardants or PVCs and are backed by a full replacement 10-year warranty.