Leak-proof flask, BPA and DEHP free, SmartShake 2.1L Color:Default you need to measure the

you need to measure the circumference of your kid's head (around their forehead)

And to help you work on your accuracy

For more natural movement

- Wear suitable socks - Tie and tighten your shoes properly

Full-length zip and precise size adjustment system

Leak-proof flask, BPA and DEHP free, SmartShake 2.1L Color:Default you need to measure theWith the 2. 1 litre Smartshake Ultimate Jug, no more trips to fill your bottle all day. Volume and convenience 2. 1 L bottle to stay hydrated all day long. The water level is indicated on the side of the bottle which is slightly transparent. The handle built in to the cap makes it easy to carry. Wide and practical neck for filling and cleaning. Solid and anti leak With an anti leak guarantee, this premium, lightweight bottle can be taken anywhere with