SafeRest Premium Zippered Mattress Encasement - Lab Tested Bed Bug Proof, Dust Mite Proof and Waterproof - Breathable, Noiseless and Vinyl Free (Fits 6-9 in. H) - Full XL Size Cotton Surounds and Protects The Mattress On All 6-Sides Against Allergens, Dust Mites, Bed Bugs, Bacteria, Perspiration, Urine And Fluids Breathable Membrane Allows Air To Circulate, But Repels Liquids (Waterproof, Noiseless, Breathable With 10-Year Replacement Warranty) Hypoallergenic Cotton Terry Surface Naturally Absorbs Moisture Micro-Zipper Technology For The Ultimate In Bed Bug Protection 360 Secure Zipper Feature Prevents Accidental Openings By Sealing The End Zipper Traveler