This cow udder shape double wall glass is a special 3D design. You can fill a cup of milk, when you inject the milk inside you can see the cow udder shape’s smooth line, you will marvel at its vivid design. We trust it will bring more fun to your breakfast time. The child particularly loves this cow udder shape double wall glass milk cup. This double-wall glass milk cup is made of borosilicate glass, which is lead-free, not release toxic substance, so is the best tableware for your family. If you want to make this cup like a gift we can offer a logo customized service, or if you want to print the greeting on glass at also be available.