Protect your mattress with this 300 thread count mattress pad with thick polyester quilting. Over filled with 10 oz. per square yard.Elastic around all edges of skirt ensures a snug fit. 100% cotton outer with polyester filling. Fits mattress up to 18". Shipping surcharge applies. We are unable to accept returns on pillows, mattress pads, and feather beds due to California law. Choose carefully.