Duck Tongue Integrated Bicycle Riding Helmet Warning Light

Product information:
Color: bright yellow, bright gray, bright khaki, bright rose pink, bright flower-de-Luce blue, bright orange, bright carbon fiber pattern white, bright carbon fiber pattern Black, matte camouflage
Size: XL size (suitable for 61-64cm head circumference),L size (suitable for 58-61cm head circumference),M size (suitable for 54-57cm head circumference),S size (suitable for head circumference 48-53cm)
Material: Shell PC plus liner