Double Size Bed Bug Mattress Cover Bed bug mattress covers keep your full sized bed, both mattress and box spring, protected. Rest-Guard Deluxe complete mattress encasements are seamless with concealed zippers. This unique 100% cotton blend fluff fabric is designed to block out all allergens, cat dander sized particles and bedbugs. Without pockets or folds, the deluxe zippered mattress covers have no where for bedbugs to hide or lay eggs. Unlike fitted sheet style mattress covers, the Rest-Guard Deluxe mattress covers encase and protect the entire mattress and zip up tightly. Used beneath your regular bedding, the fully enclosed mattress covers silently and invisibly protects against all allergens as well as protects the mattress from soiling or liquid spills. Restguard 12" Double Mattress Cover Features: Bed bug protection: Independent testing showed bed bugs and their eggs could not get through our fabrics or zippers. Soft and breathable for comfortable sleeping Concealed zippers Waterproof, shrink-proof polyurethane backing. Perfect fit continues after repeated washings. Mean pore size: 1.2 microns. 5-Year Manufacturer Warranty by Taperly Products Taperly Restguard 12" Double Mattress Cover Specifications: Dimension: 54 inches wide by 75 inches long by 12 inches high Note: Due to hygienic reasons, mattress covers are returnable only for replacement under the warranty which is held by Taperly Products.