CottonFresh dust mite covers are the perfect way to protect you and your family from common bedroom allergens. Made of 100% natural cotton, these covers feature tightly woven fabric that forms an impenetrable shield against dust mites. Keeping dust mites out of your bedding prevents them from triggering your allergies and can help you sleep better night after night. CottonFresh bedding is available in mattress, duvet, and pillow covers. This bedding is also dye- and chemical-free, making it ideal if you have skin sensitivities.