CamelBak Mini M.U.L.E. Kids Hydration Backpack, 50 oz

Crux delivers 20% more water per sip, with an ergonomic handle for easy refilling and an on/off lever to prevent leaks. Breathable air mesh back panel for a lightweight, comfortable fit Reflective accents for visibility in low-light environments Stretch overflow storage compartment lets you easily stash a rain shell or extra layer Safety whistle built into sternum strap