The lifeventure tritan flask 1l made from an extremely tough copolyester that is almost impossible to break makes this the ideal outdoor and travel water bottle single walled and translucent the tritan material does not retain flavours from previous drinks so is odourless and tasteless lifeventure tritan flask 1l features made from lightweight tough tritan copolyester extremely strong with high impact resistance screw on plastic lid with retaining loop translucent finish with m