LIGHTWEIGHT AND EFFECTIVE: Holds 12 fl oz (340ml) The incredibly thin 2mm walls, which are 1/3 thinner than most single-walled plastic bottles, keep your drink hot for 8 hours and cold for 16 hours. COMPACT AND HIGH QUALITY: Holds 25% more liquid than traditional vacuum bottles of the same size. Stainless steel boasts unrivaled purity and durability. Anti-scratch bottom protects all surfaces EASE OF USE: The innovative system of opening the lid while drinking ensures maximum speed and ease of use. Push-button, flip top cap is easy to use. Locks closes for transport PERFECT WATER BOTTLE: Great for any liquid particularly water as it doesn’t have any foul or “off” aftertaste when alternating liquids DIMENSIONS: 2.9 x 2.5 x 7.1 inches. Weighs 0.44 lbs LIFETIME PROMISE: GSI Outdoors spent over 30 years building quality performance products and warranties all products against manufacturing defects for the original owner