CALM NITE Twin Size Mattress Pad Protector - Waterproof & Hypoallergenic Cover, Vinyl Free Topper - Machine Washable TM Polyester ALLERGY PROTECTION: Our top quality mattress cover effectively protects you from dust mites, bacteria, mold, and many other allergy triggers, so you and your kids stay safe and healthy! 100% WATERPROOF: The polyurethane barrier effectively blocks fluids and is vinyl free so you can sleep comfortably and peacefully while protecting your mattress from wear and tear. EASY TO CLEAN: Just throw these in the washer and dryer, and theyre ready to once again protect your bed. The fitted sheet style ensures it wont slip off the bed and will stay in place. COOL & COMFY: Enjoy the soft, lightweight, breathable feel of our mattress protector, featuring polyester material that allows airflow to pass through, which keeps you cool & comfy! SAFE FOR THE WHOLE FAMILY: We've got the whole family covered! Our mattress protectors are Vinyl, PSA and Phthalate free with a breathable polyester surface that is safe & cozy.