safety helmets, 1.abs material,yellow,red,white,,blue, 2.ISO 9000, 3.antisatic,antiflaming,insulation, 4.construction,mining ... certificate. ISO 9001:2000M.O.Q.500PCSLaberSticker &Silk PrintingColourRed,blue,black, white, yellow.Capacity30000pcs every month multifunctional ABS Safety cap with ISO Certification.