Come and see our amazing products. The double wall design keeps the cup safe to touch with hot drinks and free of condensation with cold ones. And also keeps your drinks hot or cold for longer. It is made of borosilicate glass, the cup is explosive-proof to high temperature. And it allows you to fill boiling water into the frozen cup instantly. the lines are smooth, curving nicely, almost like a beautiful floating boat. Bring you a visual enjoyment. Pls confirm with us about the packing info, stock color and exact production time before placing your order.