☼【SAFETY MATERIAL】Non-woven fabric + composite fiber + silicone thread --Thickness: 0.8 cm/ 0.31 inch; Pad size: 7 x 9 cm/ 2.75 × 3.54 inch. This heated pad for you to enjoy outdoor activities like fishing, camping, hiking, motorcycling, skiing, hunting, climbing or some outdoor works.
☼【USB Charging】Portable use, light weight, easy to carry, ready for your winter. USB port link, link to your mobile power supply, carry it with you, heat! (Do not use in a humid environment, please dry thoroughly before use.)
☼【FAST HEATING】Heating in 30 seconds, faster than you think, the excellent heating pad has an automatic shut-off function, you should have back pain.