100% POLYESTER: Adopts ultra cozy plush, incomparably soft polyester that offers a comfortable and great feeling for body touch in winter. 1 MIN FAST HEATING: Heated seat cushion increase the temperature in short time within 1 min, providing cozy warmth for your full back, hips and thighs. The highest temperature is able to be adjusted to 140.The seat warmer is a great companion in cold winter days. No-Slip: This warm seat cushion is designed with no-slip back and adjustable dual straps that can keep it in place perfectly. Excellent Service: 7x24 online customer support, ask us anything at any time.