Top-quality 304 food-grade Stainless Steel, absolutely safe for your health; Double-Wall Vacuum Insulation to maintain the temperature of beverages; Powder-Coated Exterior to fit comfortably in your hand; Leakproof flip-top, screw on closure lid to keep your drinks safely contained; Dishwasher Safe, making it easy to clean the tumbler; Suitable for most auto cup holders (2.6" D on bottom); Available in 4 different vibrant designs; Weighs 0.73 lb / 333 gr, capacity - 20 oz / 600 ml; Perfect for traveling, camping, commuting, picnics, and more; Covered by GRITR "UNLIMITED GRIT" Lifetime Warranty