Levinsohn Deluxe Cotton Rich Terry Top Waterproof Mattress Protector is both fuctional and exceptional quality. The product is 75-percent cotton and 25-percent polyester at 145gm per square meter. The water proof PU lamination is 30 GSM. The bedskirts are stretch knit at 110gm per square meter and fit up to an 18-inch mattress. Enjoy a sound piece of mind with the knowledge that your mattress is protected from liquid spills, urine, dust mites and allergens by simply using the Levinsohn Terry Mattress Protector. The cover comes in twin, twin xl, full, queen, king and cal king sizes.