Check the listing for details. Allerease Purely Clean Pro Twin XL Zippered Mattress Protector Ultimate Cotton. Color: White, Condition: New with tags, Made in El Salvador. Listed at 24.99 USD. New Allerease Purely Clean Pro Zippered Mattress Protector in Twin XL provides comprehensive protection for your bedding. This Ultimate Cotton protector features a waterproof barrier against spills and stains, while also serving as a dedicated allergen and bedbug barrier. Designed with flexFIT technology, it conforms to your mattress and stretches to fit up to 14-inch deep mattresses. The fabric is treated with HeiQ Pure antimicrobial product protection and is temperature balancing for a comfortable night's sleep. Keywords: Dorm Essentials, College Bedding, Hypoallergenic, Dust Mite Proof, Breathable Cotton, Protective Cover, Bed Bug Protection, Sanitary Bedding, Twin Extra Long, Moisture Barrier