Echo Bottles are a special made material of shatter resistant glass known as borosilicate glass. It is not shatter proof as no true glass material is.
Enjoy drinking your Echo H2 Water on the go in this bottle. The lid is a metal screw on type lid.
Each bottle carries a volume of 16 ounces (500ml).
If you have any questions, and would like to ask them, Call us at 800-337-7017