Material: PVC pocket with liquid ( sodium acetate & water ) and metal disk inside, liquid is safe and non-toxic, non-caustic
Size: 10*6cm, 11*8cm
Weight: 50g, 60g
Design: Silk screen print
Packing: 1pcs/oppbag
Sample time: 3-7 days

Specifications
1. FDA, MSDS, ISO13485 and CE tested;
2. OEM welcomed;
3. Colorful and eco-friendly;
4. Reusable and non-tox.