Salk Rest Right - Vinyl Waterproof Pillow Protector is designed to be used under a traditional pillowcase for impermeable protection. This item extends the life of your pillow by protecting against stains and spills. It fits standard size pillows and has a zipper for a secure fit. This waterproof pillow cover is ideal for guest use and while traveling. Can be machine washed or wiped with a damp cloth.