Constructed of 18/8 stainless steel, the Hydro Flask features double-wall vacuum insulation to keep beverages cold for up to 24 hours and hot for up to 12 hours. In addition, the advanced insulation prevents both condensation from cold beverages and heat transfer from hot beverages so that you can always comfortably handle the bottle. The Hydro Flask is BPA-free, easy to clean, and highly resistant to odors and bacteria. Lifetime warranty from the manufacturer.
Capacity: 21 oz. Mouth Width: 1.81” (standard width). Bottle Height: 8.87” (10.56” with cap). Bottle Circumference: 9.06”. Bottle Diameter: 2.85”. Bottle Weight: 10.4 oz.