How to use: Simply put the helmet on your child's head and adjust the straps until it fits snugly. The built - in adjustable visor can be moved up or down according to your child's needs. Note: Make sure the helmet is the right size for your child's head (50 - 54cm). Check the helmet regularly for any signs of damage. Maintenance: Wipe the helmet with a damp cloth to keep it clean. Don't use harsh chemicals as they may damage the helmet. Store it in a cool, dry place when not in use.