Protect-A-Bed box spring encasement offers the protection that a typical box spring cover cannot. Our bed bug entry and escape proof box spring encasements provide an impenetrable barrier that protects you and your box spring from infestation. Instead of settling for an average box spring cover that doesn't offer the protection you need, choose Protect-A-Bed box spring encasements for superior defense against bed bugs. The Protect-A-Bed box spring encasement is designed to provide ultimate protection against allergens and bed bugs when combined with the AllerZip Terry or Smooth mattress encasement. All our box spring encasements feature the Patented (US Patent 7,552,489) BugLock, a three-sided zipper system with Secure Seal for complete protection against bed bugs.