AllerEase Maximum Allergy Protection Pillow Protectors &ndash; Hypoallergenic, Zippered, Allergist Recommended, Prevent Collection of Dust Mites, Bed Bugs and Other Allergens, King Sized, 20&rdquo; x 36&rdquo; 88% Polyester/12% Nylon Imported COMPLETE ALLERGEN PROTECTION: If you wake up congested, it could be allergens in your pillows. Our pillow protectors offer complete barrier protection, blocking dust mites, pet dander, bed bugs and other common household allergens. BREATHABLE COTTON: Made of 100% breathable fabric, these allergy protection pillow covers are cool and comfortable, so you dont have to worry about overheating at night, and it wont alter the feel of your pillow. EXTEND PILLOW LIFE: Fully encasing your pillow with a durable and comfortable zippered protector not only protects against household allergens, it extends the life of your pillow, keeping it fresh and clean. PROTECTION AGAINST BED BUGS: This pillow cover not only protects against common allergens, it provides protection against bed bugs with a bed bug escape and entry proof zippered closure. LEADING BRAND OF ALLERGEN BARRIER BEDDING: All AllerEase products provide natural allergy relief, are allergist recommended, and have a 10-year limited warranty. Customer satisfaction is important to us.