Perfect Size30*40CM/30*60CM/40*76CM The perfect size heating pad, perfect for sore muscles in your back, neck, shoulders, abdomen, legs, arms and so on. Fast HeatingThe product equipped with long power cord , has 6 adjustment levels and a fast heating function. The temperature range is from 40 to 60(104to140). Auto Shut Off Function With timer function provides 4 timer auto shut off range from 30 to 120min, conserves energy and prevents burns caused by excessive heating which is very safe and energy saving. Skin-friendly fabric & Machine Washable High-quality flannel, soft material and better insulation effects. Disconnect the cable connection and machine wash below 30 C is applicable. Keep the heating pad simple and easy to clean.