To clean helmet ,do not use hot water ,salt water ,benzene ,thinner ,Apply only cleaner for the plastic such as vinyl clearer as appropriate .

• 洗头盔的时候，请不要用热水，盐水、苯、稀释剂等洗剂清洗。清洗这种塑料可以用像乙烯基之类的清洁剂。