The Beautyrest Silver Cooling Jersey Mattress Protector offers instant cooling comfort for a soothing night's sleep, while extending the life of your mattress. More comfortable than your favorite t-shirt, the knit jersey fabric is cool to the touch and is perfect for memory foam and all other mattresses. Featuring waterproof protection, this mattress protector prevents spills and liquids from seeping through so that you can rest easy each and every night. For a secure fit that won't shift, the stretch skirt fits any mattress up to 18 inches deep. This item is machine washable, for easy care and a fresh night's sleep. Our sleep technology is designed for the most restorative sleep, giving you a heightened focus, maximized energy, and ultimate clarity during the day.