1. Washable, lightly rubbed, insulated and without static electricity. 2. 3 tempoerature gears are adjustable, high gear in red, middle gear in blue, low gear in green. 3. It adopts high quality fabric, skin-friendly and soft, no harm to the skin. 4. Strong, resistant to friction and pulling, resistance to insulation and folding. 5. Waterproof silicone, switch can be sewn directly on clothing. Item Type: Heating Pad Material: heating fabric Power Supply: 5V2A Rated Power: 7 W Temperature of three gears: High gear-red-50 Middle gear-blue-40 Low gear-green-30 Size: L: Ok. 34 x 14 cm / 13,4 x 5,5 inches, S: Ok. 17,5 x 10 cm / 6,9 x 3,9 inches List of packages: 1 x Heating Pad Note: 1. Do not allow the use of heat to people who cannot take care of themselves, infants or people who are not sensitive enough. 2. Do not use needles or bayonets to cut the heating wire inside the heating fabric. It is strictly forbidden to use this product when no one is in the room. 3. Do not use in humid environment, dry before use.