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 [matte finishing], if you want a [shiny finishing] helmet, please switch to other color.
