1.Inline skate helmet, 2.ABS shell, 3.Imported black EPS liner, ... buckle. 5.CE EN1078/CPSC approval. KOSTON Pro Skateboard Helmet,inline Skate Helmet,Skating HelmetAC201-4 Vents: 11 air vents - 7 ... (48-54CM), M(54-58CM), L(58-61CM);Color box PACKING: 1pc/color box, 10 pcs/ctn, 84*30.5*47.5CM ...