Product details:
1. to break off the metal pieces inside again and again , can release the heat at once
2. Reusable, non-toxic, non-corrosive
3. Customers can choose their own design and brand.
Method of use:
Repeatedly break and move the inside metal until the fluid crystallization;
When used Again, pack the product with cloth heat in hot water, it needs about 5 minutes to make the ingot melt completely.
Use scope:
Suitable for gifts, promotion, outdoor travel and personal care.
