Suitable for motorcycle helmets, off-road helmets, racing helmets, cycling helmets, electric vehicle helmets, pilot helmets, aviation helmets, sports helmets, soldier helmets, explosion-proof helmets, police explosion-proof helmets, fire helmets, and other protective face shields, such as safety helmets, sunshade covers, safety face shields, etc. The selected PC material injection molding production gives the lenses good toughness and transparency, anti fall and anti impact, UV protection, and multiple customization processes to choose from.