Healthy Zzz Allergy Barrier Pillow Encasement Blocks all known allergens like dust mites and their waste, mold spore, pollen, pet dander, and even bed bugs Our patented MicronOne technology protects your sleep by creating a clean barrier between you and the micro-toxins that build up naturally over time in every pillow HealthyZzz pillow encasements are totally waterproof and remarkably breathably (no sweaty, sticky, plastic feel), so you dont have to sacrifice comfort for protection 10- Year Warranty Great for kids or adults!