... 5)OEM service min order:300 pieces. Skate helmet, bike helmet, safety helmet The Helmet designed for cycling, skateboarding and rollerblading. Features ... : 'CE', 'SGS' approved helmet A sleek, Aerodynamic design, Many air vents for maximum cooling Adjustable chin straps for ... are available Customized design is welcomed. Helmet safety Tips: Wear the helmet flat atop your head, not tilted ...