Active Hydration Tracker Bottle 800 ml Size:800 ml  The height of the

 The height of the ring can be adjusted

Body: 100% nylon

The spin dial on the back of helmet and chin straps can be adjustable according to your kid  head circumference

The outsole delivers traction on firm ground

so you can find the best times for activity and restPulse Ox Sensor gauges your blood oxygen saturation during the day and as you sleep to see how well your body is absorbing oxygen

Active Hydration Tracker Bottle 800 ml Size:800 ml  The height of theTracker water bottle with twist dial rotating collar to help monitor hydration during your day. EU tested safe reusable water bottle. BPA FREE. Lightweight water bottle with a single handed push button leakproof lid to stay hydrated wherever you are without spilling a drop. This product is designed to keep clean easily. Every part of this water bottle is dishwasher safe, top rack only.