These Pillow Protectors offer high-quality protection to ensure the longevity and cleanliness of your pillows. The covers are water resistant; protecting against spills and stains from bodily fluids and other liquids. The cover also protects against dust mites, dirt, lice, bed bugs, and other allergens ensuring a fresh and clean pillow. The bedbug-proof covers stretchable material and zipper closure provide a secure fit. Can be machine-washed and dried.