SafeRest Box Spring Encasements Protect Your Mattress Against Bed Bugs, Fluids and Dust MitesThrough extensive research and development, SafeRest has created a better way to help prevent and treat bed bug infestations while at the same time providing real health benefits for those who suffer from daily allergy and asthma triggers.Save Your Infested Box SpringRather than disposing of expensive box springs, SafeRest encasements can be applied sealing off the box spring preventing bed bugs trapped inside from escaping. Over time, any trapped bed bugs will die of starvation due to the lack of a blood source. The encasement will also protect a new box spring from bed bugs entering the mattress.Specifically Designed and Lab Tested for Bed Bugs and Allergy ProtectionSafeRest box spring encasements, with a polyester surface material and waterproof membrane back coating, were specifically designed and lab tested for bed bug and allergy protection harnessing cutting edge Micro-Zippers along with breathable bed bug and dust mite proof materials.SafeRest's Exclusive 360 Secure FeatureSafeRest's patent pending 360  Secure Feature offers the ultimate in protection against bed bugs by eliminating the risk that the end zipper traveler will pull back exposing the box spring to bed bugs. This is realized by securing the end traveler with a fold-over Velcro flap covering it on all sides.Machine WashableMachine-wash with your sheets using normal household detergents that do not contain bleach. Tumble dry on low heat. Do not iron.SafeRest box spring encasements contain no vinyl, phthalates or PVCs. To demonstrate SafeRest's commitment to quality, each product is backed by a full replacement 10-year warranty.