From the #1 best selling allergy bedding brand, AllerEase Waterproof delivers the clean, healthy night's sleep that we all deserve. Featuring premium materials and an expertly-designed construction, Waterproof prevents unhealthy household allergens -- like dust mites, pollen, and pet dander -- from collecting in your pillow. With a soft waterproof layer to protect from spills and stains, Waterproof also features machine washability and a lifetime warranty to offer unmatched quality, convenience, and value for you and your family.