Bargoose Home Textiles | Zippered Mattress & Box Spring Cover | Bed Bugs, Dust Mites & Allergen Proof | Lab Testested & Certified | Hypoallergenic, Waterproof & Flame Retardant | 12&rdquo; Deep | Twin XL Polyester FULL MATTRESS PROTECTION: Whether you are protecting your mattress or boxspring from bedwetting accidents or bed bugs, dust mites and fleas this protective cover helps preserve the life of your mattress. Protect your investment by using protective bedding, to extend the life of your mattress. Our waterproof covers are zippered overlays for full all around protection. ULTIMATE BEDBUG SOLUTION: Avoid trying to control a bed bug infestation, it's extremely difficult to control. That is why, our mattress cover feature a patented tape closure that fits securely over the rust-proof zipper end to form a complete seal that prevents bed bugs, insects and other pests from getting in or out. CERTIFIED & LAB TESTED: Bargoose Home Textile mattress and box spring encasements are the best way to protect against bed bugs, dust mites, allergens. This cover is also waterproof to safeguard against spills, stains, moisture and sweat. These cover are scientifically proven to effectively eradicate bed bugs and dust mites. These cover can be used for active outbreaks and prevention. FLAME RETARDANT: Stretch polyester knit fabric with urethane allows air to pass through for a cool and comfortable sleep while also being an effective barrier against bed bugs dust mites. This zippered mattress and boxspring cover is flame retardant and waterproof. This economical cover will extend the life of your mattress and boxspring. THE PERFECT FIT: The zippered style of our overlays give you that tight, snug feeling that is usually associated with just fitted covers along with the full 360 protection of true zippered encasements. Our mattress cover utilize Zip N Stick, a tape closure that securely fits over the zipper end to form a complete seal preventing bed bugs from getting in our out.