The Utopia Bedding Zippered Mattress Encasement is a twin XL size protector made of microfiber material with a 100% polyester fill. It features a block pattern in white color and has a firm support. The encasement is waterproof and has antimicrobial properties. It is also cooling and has a deep fitted design with a zipper closure. The product is certified by OEKO-TEX STANDARD 100 and has a thread count of 201-400. It is a part of the Mattress Encasements product line and is suitable for use in the bedroom.