Bullet points:1, Long-lasting heat: Our hand warmer has no unpleasant smell and can only be used once. Do not apply directly to the skin. No need to shake or knead.2, how to activate: remove the hand warmer from the package and shake it to activate. The hand warmer heats up in 15-30 minutes. If the heat drops, let the heat sit in the air and shake it. You can throw it away after use as it won't cause any negative impact on the environment.3, Multi-Function Hand Warmer: This hand warmer provides daily warmth and is the perfect accessory when the temperature gets cold. It is specially designed for your hands, feet and body.4, Easy to Store: This hand warmer is easy to store and store in your backpack, suitcase or jacket pocket.5, Wide Applications: Great for outdoor sporting events, fishing, camping and hiking, yard work, jogging or walking pets. Convenient, compact and portable. Description: Our hand warmer is made of premium materials to keep your hands and body warm in winter. Specifications:Product Size: About 10*13cm/3.94*5.12inProduct Material: Non-woven FabricProduct Specification: 10pcsPreheating Temperature: Average 55deg; Heating Time: 18 Hours Packing List:Hand Warmer *1 Box (10pcs) Notes:Due to the lighting effects and shooting angles, the color of the item and shown in the picture may have a