SensorPEDIC Coolmax 300 Thread Count King Mattress Pad, White 80% Cotton, 20% Polyester Hypoallergenic ultra loft fiber provides a healthier sleeping environment Moisture-wicking fabric that is stain resistant, water repellent, & odor eliminating Stretch-to-fit bedskirt ensures secure fit atop your mattress Fits deep pocket mattresses up to 18 inches deep Machine washable