●Ring head belt design,more suitable for wearing safety helmet on operating environment,keep more durable of polyester spandex elastic belt ;

●Advanced liquid silicone material: soft,comfortable,good fit with face,good sight and lightweight;

●With KN90 filter cotton;

●In line with GB 2626-2006 standard,have China LV and QS certification;

●Apply to mine,coal,metal,electric,metal smelting,casting,grinding and other industries;

●Package:36pcs/carton