Description: A snowflake self-heating hand warmers for winter and Christmas is reusable, as well as a good choice of holiday gifts to send to friends and family. Features: 1. Full of festive elements, compact and portable, increasing the festive atmosphere. 2. Very useful in the winter living room, bedroom, office, study, rest, or work. 3. Made of safe and durable materials, easy to carry around and use. Specifications: Name: Snowflake Hand Warmers Material: PVC Size: 10*10cm/3.94*3.94inch Weight: About 70g Heating time: 30 minutes Usage: break the patch inside the bag can be heated, can be recycled Maximum Temperature: the highest temperature up to 52 Using method: 1. Finger lightly breaks the product's built-in 2. The metal sheet began to react metal sheet liquid immediately began to change into a solid 3. The palm of the hand can gently press the bag's body. 4. After completion, it can be placed in the place or part of the bag that needs to make the temperature even Packing List: 1*Self-Heating Hand Warmer