Ellington Home Ultra Soft 2 Pack Hypoallergenic Waterproof BedBug Pillow Encasement Protector (Standard/Queen) HYPOALLERGENIC: Your pillow can increase in weight over a period of time due to sweat, dead skin cells, liquid spills, dust mites and mold build up.Shield your pillow from moisture with the waterproof pillow protector. With its hypoallergenic fabric, this cover also reduces dust mites and bed bugs to enable you to breathe easier. BREATHABLE FABRIC: Our advance lightweight performance fabric is approved for all pillow types and won't alter the feel or comfort of your pillow. With its soft and breathable fabric creates a quite sleep without hearing the crinkling plastic during your sleep. WATERPROOF: The pillow protector features a laminate coating to seal out liquids from damaging the pillow while adding years to your favorite pillow's life. ZIPPERED ENCASEMENT: The superior pillow protector will fully surround your foundation to protect your sleeping investment from moisture, pet dander, allergens, bed bugs, stains, dust mites and other harmful items. MACHINE WASHABLE: Completely washable, our pillow protector are specially designed so that you can wash and dry on hot settings for optimal sanitization.