Leak-proof 16 oz. backpack bottle, TherMax (R) double wall vacuum insulation for maximum temperature retention, hot or cold. Light and compact design for effortless transport and storage. Bottle stays cool to the touch with hot liquids and is condensation-free with cold. Contoured body is comfortable to hold. Unbreakable stainless steel interior and exterior with elegant translucent finish. Lifetime warranty. 9 1/2" tall. Please specify color code when ordering.