ActiveGuard Mattress Liners, used as part of a bed bug treatment and control strategy, kills bed bugs dead and provide peace of mind as a revolutionary alternative to encasements. Developed as a natural extension of the globally used mosquito nets, ActiveGuard kills bed bugs in mattresses and box springs. Superior to any other bedding cover, the breathable, thin ActiveGuard Mattress Liners can be installed onto a mattress or box spring by one person in less than a minute, and the liners are comfortable and provide security that no other mattress covering or product can deliver.