Made of 304 (18/8) food grade stainless steel that is soldered at the joints and provides a pleasant, leak- and rust-free drinking experience. The flask features a traditional brushed steel finishing which gives it a more premium look. Has a capacity to hold a massive 64 oz of alcohol and is ideal for stowing into large bags. Also available in a 48 oz size. BPA free and both the flask and its lid are made from food grade 304 (18/8) stainless steel that will not rust or alter the taste of your drink in any way. Looking for something a little different? We also have a wide collection of traditional stainless, vanity, classic round and leather flasks for those special occasions, all available in varying sizes and colors/prints.