-Capacity:350ml / 12oz ,550ml / 18oz ,1800ml /64 oz
-100% Leak-proof:The screw-on lid has a silicone gasket,ensures the water remains secured, and it' s convenient to buckle on the backpack or tote with a carabine.
-Material:The water bottle is made from a single piece of high-quality aluminum, which is light weight and durable.