This cup is consist of double wall stainless steel liner with copper coating sealed which is vacuum isolation material that keep water temperature hot up for 8 hours and keep cold for 12 hours. The Cup is designed a comfortable holder, a splash proof straw lid and provide a flip-top opening ways to drink. Capacity Option: 30oz, 40oz. International freight may vary a lot sometimes, please confirm the price with us again before placing an order.
