1.certificate: ECE, JET 2.Size: S, M, L, XL 3.Material: ABS 4.OEM,ODM as demands ECE helmet,DOT helmet,JET helmet, 1).SIZE: S, M, L , XL.2).material: ABS/PP3).smooth surface finish and high quality UV painting4).Colors:white, blue, red, green, pink, black, yellow, etc.5). goggles: The anti-fog and anti-scratch6).advanced channeling ventilation system7).the diversified decals as costomers' demands ...