PureCare's clinically proven pillow protectors offer our best level of protection for your pillow. Our pillow protectors feature MiteTight® seams and a locking zipper, providing a physical barrier against allergens, bed bugs, dust mites, stains, moisture, mold and mildew. Our clinically proven OmniGuard® Advance lightweight performance fabric is approved for all pillow types and won't alter the feel or comfort of your pillow. Completely washable, our pillow protectors are specially designed so that you can wash and dry on hot setting for optimal sanitization. PureCare's pillow protectors are treated with antimicrobial silver chloride that inhibits bacteria, mold and mildew that causes deterioration, stains and odors on this product, allowing you to create a cleaner sleep environment in every bedroom in your home. Additionally, our clinically proven protectors are the official pillow protectors of both the National Sleep Foundation and the Women's Choice Award.