This Comfy Toes Heated Foot Warming Mattress Pad fits perfectly on the end of your bed to provide warmth for your cold feet,Foot warmer includes 3 heat settings so you can choose the right warmth for you, and features a 3-hour auto-off function for peace of mind,Features a PrimeStyle Controller with ThermoFine technology to deliver consistent and comfortable heat by auto-adjusting throughout the night based on room and body temperature,Made of machine-washable, dryer-safe 100% polyester, this Foot Warming Mattress Pad is super-soft and cozy,3-year limited warranty