Disposable Hand Warmers, 2 Pieces Per Bag

Disposable heat warming pad for winter insulation, portable and convenient for carrying. Our disposable hand warmer contains iron powder, activated carbon, and highly absorbent resin. It can prevent rapid oxygen penetration, release heat and burn, and does not allow too slow oxygen penetration, without temperature. Its usage method is very simple: First, wash your hands with warm water and open the packaging of the hand warmer. Place it on your hands and let it naturally heat up upwards. Cover both hands with the hand warmer and your hands will gradually warm up. It can be used for ten hours. And it can warm your hands. ① It can prevent rapid oxygen penetration, release heat and burn, and does not allow too slow oxygen penetration, without temperature.