Perfect Size12" x 24" (60*30cm)The perfect size heating pad, perfect for treating sore muscles in your back, neck, shoulders, abdomen, legs, arms and so on.Fast HeatingThe product has 6 adjustment levels and a fast heating function. The temperature range is from 40 to 60(104to140).the temperature of any part of heating pad exceeds 60 C / 140 F, the heating pad will automatically shut off immediately to ensure safety.Auto Shut Off Function6 optional heat settings 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.Note:1. Please wash it at a water temperature of 30?C.2. DO NOT dry or iron the heating pad dry.3. Never put the pad in the tumble dryer.4. DO NOT fold the heating pad when it is in operation.5. Make sure that the product and the plug are completely dry before connecting the device.6. DO NOT use the pad if signs of damage are evident.7. DO NOT let other objects cover the heating pad during use.