• Dual Certificate - Comply with US standard CPSC 1203 & ASTM 1447.
• Size S : Suggest for Toddler Age less than 5 years old.
• Size M : Suggest for Kids Age 5-10 years old.
• Size L : Suggest for Junior/Youth/Adult over 10 years old (depends on head size, some kids less than 14 yrs old maybe suit M size better).
• Comfort and Convenience -360 inner pads and removable and washable.
• Adjustment System - With dial turn ring, easily to adjust head range.
• NOTICE: This helmet is [shiny finishing], if you want a [matte finishing] helmet, please switch to other color.