With A Snow Down Alternative Fill, Leisure Town Queen Mattress Pad Cover Tips: It?s Packaged in a Vacuum Bag, Wash Dry Or Spread It for a Few Days Before Use So It Would Return to Normal Thickness.(best Way Fluffy Again: Lay It in the Sun for a Few Hours.) Breathable and Ultra Soft: With the new HNN Cooling Technology, the cloud-like surface, made of 300TC 100% cotton, gives superior comfort without extra heat and sweat. Compared to the normal diamond quilting seam, this one with new shape is more supportive and soft. Healthier Sleep: Filled with snow down alternative fill, a state-of-the-art fiberfill that has the feel of authentic goose and duck down without the feathers or poking, this mattress pad can keep your mattress free of stains,offering sweet nights. Fits mattress up to 21 inches: The fabric sides easily stretch to fit mattresses up to 21 inches thick. It will never slide no matter how you twist and turn on your bed. Easy to keep it clean: It is machine washable.Twin 39?x75?/ Twin XL 39"x80"/ Full 54"x75"/ Full XL54?x80?/ Queen 60"x80"/ Olympic Queen66?x80?/ King 78"x80" / California King 72"x84" GUARANTEE: Customer satisfaction is our priority. If you are not happy with our products, contact us and we will offer 100% satisfaction after-sale service.