Beautyrest Luxury Pima Cotton Dobby Check Mattress Pad:* 500 thread count Pima Cotton top cloth for a luxuriously soft sleep surface * Elegant dobby check pattern adds a touch of class * Filled with 3x the normal amount of polyester fibers for adjustable comfort you can sink into * 20" Expand-a-Grip Skirt guaranteed to fit any depth mattress * Machine washable and dryable for easy care