... or ABS 2)with single reinforcement at top 3)waterproof Fire Fighting safety helmet Product detailed description1)Shell is made from ... PE or ABS,with single reinforcement at top;2.Pinhole-type back ribbon locking structure;3.Blue,yellow,red,white, ... ABS intensity enhanced plastic.5)Characteristic: anti-strike, anti-pierce, fire proof, 6)Color: green and red are available. Fire Fighting safety helmet