BARGOOSE Extra Long Twin (9 in. Deep) 3 Gauge Vinyl Zippered Hypoallergenic, Waterproof, Certified Bed Bug Proof Mattress Encasement Vinyl 3 Gauge Taffeta Finish Vinyl Mattress Encasement Offers Premium Protection for Your Mattress and/or Box Spring from Leaks and Spills; Blood Stains, Urine, Sweat, and Other Liquids. Recommended if Bed Wetting is a Problem. 100% Waterproof Barrier on all 6 Sides of Mattress; Independently Lab-Tested and Certified to be 100% Bed Bug Proof Anti Microbial Treatment - Prevents Growth of Mold, Mildew and Fungi Waterproof, Dust Allergen Proof, Fire Rertardant, Certified Bed Bug Protection Rust Proof Self Locking Zipper with Patented BugStop Seal Closure Easy Care - Wipe Clean with a Damp Cloth NYSMWBE Certified, Family Owned Business, Over 25 Years Experience Supplying Bed Protection that is Waterproof, Dust Allergen Proof and Certified Bed Bug Proof to Hospitality, Healthcare, Allergy Relief, Pest Control and Home Bedding Markets. Extra Long Twin Measures 39" x 80"