Sleep Safe ZipCover Resort Pillow Cover, Bed Bug, Dust Mite, Allergen Zippered Encasement/Standard Size Allergy Pillow Protector Allergy pillow protector constructed using a densely woven microfiber, polyester fabric Soft, lightweight and breathable zippered encasement for the ultimate in comfort Fewer seams make this zip pillow cover strong and durable for long-lasting protection Filters out allergens like cat dander, and protects as a dust mite and bed bug barrier Sleep Safe ZipCover Resort bedding encasements offers ultimate comfort in a secure fabric