Come and see our amazing products. Durable stainless steel and plastic, each time you use this cup, after pouring boiling water into it, you just cover it and shake it for a minute, and the water becomes 131 degrees Fahrenheit. Great for all kinds of people. Then if you pour in cold water and shake it, the water becomes 131 degrees Fahrenheit. And it's easy to carry. Suitable for school, work or travel. The capacity is 300 ml. Pls confirm with us about
the packing info, stock color and exact production time before
placing your order.