100% Organic CottonCOMPLETE ALLERGEN PROTECTION: If you wake up congested, it could be allergens in your pillows. Our organic pillow protectors offer complete barrier protection, blocking dust mites, pet dander and other common household allergens.ORGANIC COTTON: Made of 100% breathable organic cotton with no harsh dyes, bleach or chemicals used in fabric processing, you??ll feel safe using these pillow covers on your family??s pillows.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 by keeping it fresh and clean.STAY COOL AND COMFORTABLE: The tightly woven 100% organic cotton breathes naturally, so it doesn??t trap body heat or moisture, keeping you comfortable and cool all night long! Best of all, it??s noiseless.LEADING BRAND OF ALLERGEN BARRIER BEDDING: All AllerEase products provide natural allergy relief, are allergist recommended, and have a 10-year limited . Customer satisfaction is important to us.