Feature: 1. Excellent Craftsmanship: Made of oxford cloth, quilting, pearl cotton and sponge. The back pocket can store power bank or other small items. 2. Key Switch and Adjust Design: Long press three seconds to start, single click the switch to change temperature, and long press three seconds to shut down. 3. Warm and Cozy: Use our comfortable cushions to keep you comfortable while watching your favorite sports at the stadium. It comes with a high density memory sponge cushion that makes you feel like sitting on a sofa. 4. Portable and Foldable: This heated pad can be folded so that the user can easily carry it outside by putting it in the backpack. 5. Wild Usage: Suitable for sports fans, travelers, drivers, home and office workers, and outdoor fishing enthusiasts. You can take it anywhere with the power bank (not included) to keep you warm in winter, whether indoors or outdoors. Specification: Item Type: Heating Pad Material: 600D oxford cloth, quilting, 2cm pearl cotton, 2cm sponge, heating sheet Weight: Approx. 597g/21.1oz Size: Approx. 38x33x33cm/15x13x13in. Package List: 1 x Heating Pad1 x Specification Note: 1. Please set a time reminder to turn off the power when sleeping.2. Keep away from fires, corrosive liquids, and harsh environments.3. Do not cover with other heat sources.4. People who cannot care for themselves, infants and people who are not sensitive to heat should use it under the supervision of a guardian5. Stay away from moisture, water, and liquids. Do not use this product when it is wet.6. Don't rub too hard at work.7. Do not Pierce the product with sharp objects.8. Don't iron on high heat,9. Use with caution in patients with severe cardiovascular disease and severe heart disease.10. There is no time limit for normal use, as long as you feel comfortable.11. In case of any abnormal situation, please turn off the power immediately.12. Do not use on damaged skin when the surface temperature exceeds 65℃.13. Don't spend too much time in the sun.