Thermos Drink Green Insulated Hydration Bottle 18-ounce hydration bottle with durable stainless-steel interior and exterior Flip-top lid with built-in sipping design; button activated lid and additional clasp for secure travel TherMax double-wall vacuum insulation locks in temperature to preserve flavor and freshness Condensation-free with cold beverages--won't leave rings behind Hand wash only; measures 9-1/4 inches tall by 2-1/2 inches wide by 2-1/2 inches deep