riot shield 1) Thickness: 1.5mm--15mm 2) Length: no limit 3)width:1220mm,1560mm,1820mm, ... ) Length: 20m--50mm(our regular specification)3)Available in4mm,5mm,6mm,7.5mm,8mm,10mm,12mm,14mm,16mm,18mm4) Color: clear, lake ... only use the makrolon material warranty and 10years qualityvirgin Polycarbonate sheets for making the riot shields,impact resistance