Smooth Grip System Smooth Grip Skirt System fits mattresses up to 16 inches deep. Unlike other skirt systems, Smooth-Grip works like a fitted sheet, wrapping right round your mattress. Breathable Surface Utopia Bedding Quilted Mattress Pad is made keeping breath-ability in mind. It traps moisture and promote conditions that are conducive to a peaceful and comfortable sleep. Care Instructions Wash the mattress pad on a gentle or delicate setting with two rinse cycle, using cold water. Add a small amount of all-natural detergent. Too much soap can strip the pad, so be sparing. Dry the mattress pad in a large capacity dryer on the lowest temperature setting possible to prevent shrinkage or stretching of the elastic. This will take 2-3 hours, but you want to make certain that the mattress pad is completely dry before putting to bed.