500ml 316 Stainless Steel Insulation Cup Large Capacity Big Belly Cup with Strap(Black)

1. 316 mirror inner tank, not easy to leave bacteria
2. The lid of the cup can be used as a water cup, and the strap can be carried on the back and carried freely
3. The silicone ring is matched with the threaded cup cover, which is leak-proof
4. Liner material: 316 stainless steel
5. Shell material: 304 stainless steel
6. Insulation performance: 12-24 hours