The Insulated Classic 592ml is based on the classic stainless steel water bottle combined with Climate Lock™ double-wall vacuum insulation, keeping drinks hot for 20 hours and iced for 50 hours! Klean Coat™ powder coat finish is 4X more durable, chip-resistant and safe for people and planet.  In our opinion, Klean Kanteen bottles are the best alternative to Hydro Flask currently available. 18/8 Stainless Steel construction. Climate Lock™ double-wall vacuum insulation will keep drinks hot for 20 hours and iced for 50 hours. Klean Coat™ powder coat finish is 4X more durable than our previous finish and formulated for human and environmental health (Brushed Stainless has no coating). Electropolished interior, a safe & non-toxic process, and rounded corners make it easy to clean. Includes the leak proof Loop Cap. Compatible with all Classic Caps, including the Sport Cap 3.0 & plastic-free Bamboo Cap. Hand washing is recommended for all Insulated products. Backed by the lifetime Strong as Steel guarantee. Capacity: 20 fluid ounces (592 ml) Weight (with loop cap): 12.2 ounces (345.7 g) Size (with loop cap): 11.1" H x 2.9" W (282.2 mm H x 72.9 mm W) Opening Diameter: 1.75" (44 mm)