SAFETY - Made from TPU materia,100% free of BPA and other harmful leaching chemicals.
LEAKPROOF - When you fill this bottle with water, put it in your bag, don't worry about leaking water and wet something else in your bag.It is with leak proof valve.
PORTABLE - Rolled up or flattened when it empty, it's very portable and doesn't take up too much space.
DURABLE - Constructed with anti-microbico TPU (thermoplastic polyurethane) for superior durability and flexibility.Don¡¯t worry about breaking it when you are doing sports or playing.
CONVENIENCE - Soft bite balve, higher flow rate, wide mouth, easy drinking.Wide mouth design, convenient to fill with water; Removable spout, easy to clean.
If you would like to assemble a water bottle, here introduce the some part of hydration bladder.