Zippered vinyl pillow covers fully encase your pillow with waterproof protection, so you never have to worry about spills or stains. Available in 3 gauge (standard) and 6 gauge (heavy duty) thicknesses, these durable Dry Defender plastic pillow covers also protect against allergens and dust mites. Choose from three different sizes: standard (20 x 26 in.), queen (20 x 30 in.), and king (20 x 36 in.). Pillow covers sold by in packs of 2.