plastic insertion strip: 1.material:PVC 2.mainly used for aluminium alloy window, door and so on 3.customer design plastic insertion strip:1.material:PVC&UPVC2.mainly used for aluminium alloy window, door and so on3.customer design4.certified by ISO9000/9001/9004/19011:20005.applicable to glass with all thickness as 4mm, 5mm, 6mm, 8mm, 10mm,12mm and so on.our price and quality are second to none