Four Seasons Essentials Twin Size Mattress Protector Bedbug Waterproof Zippered Encasement Hypoallergenic Premium Quality Cover Protects Against Dust Mites Allergens Fits 9" to 16" Thick Twin Mattress BEDBUG PROTECTION: Seal away bed bugs for good! Our premium zippered encasements are equipped with a Velcro zipper seal and tie down loop to ensure that nothing gets in! Say good-bye to troublesome pests that can ruin your mattress and bring discomfort to your life. Take precaution and save money on expensive pest control treatments - live worry-free knowing that your mattress is shielded from bedbugs. Be smart and protect your investment with a quality mattress encasement! ALLERGY RELIEF: Do you suffer from allergies? Hypoallergenic construction and an impenetrable cover help you stay healthy and breathe easy. With our high quality mattress protectors, you are shielded from irritating allergen contaminants that can sneak into the deep layers of your mattress! Sleeping on an unprotected mattress can expose you to many different types of allergens making it difficult to breathe and sleep. Seal out dust, pet hair and allergens for good! WATERPROOF: Whether you have pets or kids, accidents and spills happen. This 100% waterproof mattress protector has a polyurethane inner lining that blocks liquids and moisture from getting in. Liquids easily seep through to deeper layers of your mattress and are almost impossible to remove. Simply wrap your mattress in our premium cover, zipper seal all the way around, and your mattress will remain waterproof, dry and protected! COMFORT & EASE: Stretchable, breathable fabric keeps liquids, contaminants and allergens out without compromising comfort. Designed to be soft and completely noiseless, you will not see or hear crinkles under your sheets. Our mattress covers have a full zipper that wraps all the way around three sides of the mattress. No more struggling squeezing your mattress into difficult encasements, simply place your mattress in the sealed end and zip all the way around it for a perfect fit. DURABLE & LONG-LASTING: Made of high quality polyester (surface) and polyurethane (inside lining). Featuring a 3 secondary polyester lining wrapping all around the zipper seam for additional durability and added shape and support. Intended for daily sleep and strong enough for heavy duty protection from liquids and bugs. This six-sided stretch fabric zippered mattress encasement is built to fit any twin size mattress that is 9 to 16 deep. Machine washable for easy cleaning and lasting use.