eLuxurySupply Back-to-School Extra Plush Fitted Waterproof Mattress Pad & Topper with Fitted Skirt - Hypoallergenic Moisture Resistant Mattress Pads - Made in USA, Twin XL TWIN XL MATTRESS PAD SIZE - 39" x 80" x 18" INNOVATIVE WATERPROOF DESIGN - Features a polyurethane waterproof barrier to protect your mattress from liquids STATE-OF-THE-ART FIBERFILL - Each pad is filled with Revoloft, the fiberfill that has the feel of authentic goose & duck down without the feathers, poking or allergies SHIFT RESISTANT DETAIL - 123 thread count cover with double needle baffle box stitch prevents fill from shifting or moving around ALL AMERICAN OWNED AND OPERATED - Veteran Owned Company, Made in the USA * 100% money back guarantee *