Beautyrest - 3M Scotchgard Heated Mattress Pad Twin Size -Secure Comfort Technology- Luxury Quilted Electric Mattress Pad with Deep Pocket - White - 5-Setting Heat Controller - 5 Year Warranty 100% Polyester Imported Set includes: 1 heated mattress pad Materials: 100percent polyester Measurements: 39-by-75-inch heated mattress pad with a 15-inch drop length Machine washable