Police Motorcycle Spring & Autumn Helmet: This series products are mainly for police motories. 1) Made of ABS/PC,with strong anti-impact ability and anti-abrasion ability 2) tough, scratch resistant 3) Many colors are available or according to customers\'\' requirements 4) The face shield features with high visible light permeate rate, high windproof,and high anti-scratch ability 5) Good ventilation system