Capacities: Commonly available in 20 oz (approx. 600 ml) and 34 oz (approx. 1 liter) sizes. A smaller 12 oz (350 ml) version also exists.
Insulation: They utilize double-wall vacuum insulation to keep beverages cold for up to 6 hours and iced for up to 11 hours.
Material: Constructed from 90% recycled 18/8 stainless steel and are BPA-free.
Features: The bottles are leakproof, dishwasher safe, and designed to fit in standard car cup holders.