Stay hydrated wherever you go with the 25 oz. aluminum bottle with carabiner. This BPA-free aluminum bottle is 25 oz. (739 mL). With its black leak-proof screw-down lid, you are sure that your drink will not spill. You can even attach it via its mini metal carabiner (approximately 2"L x 1"H x 0.125"D). This is not microwavable. Do not put in the dishwasher. This is for hand washing only.