Fiberglass /FRP/GRP Worker’s Safety Helmet. Quality yet lightweight Fiber metal materials are about eight times stronger than HDPE safety helmets. Excellent electrical isolation and resistance against heat, corrosion, acids, alkali, and oil. Adjustable ratchet headband, brush nylon sweatband and 4 point terylene cradle make the helmet more comfortable. Environmentally friendly as the materials are recyclable. Capable to withstand rugged and extreme environments. Injection-molded with attractive appearance and a permanent no-clip and no-peel finish. Ideal for mineral, petrol, metal industries, and other applications with a risk from high radiant heat.Support customizing your logo.