U-lock polycarbonate sheet 1.100% virgin material 2.UV & 10 yrs quality ... 3.6/8/10mm thick 4.good connetors U-lock polycarbonate sheetGensin U-lock sheet is an advanced construction system, its ... long-time use. Specification:Gensin U-lock sheet is of multiwall structure, available with thickness of 8mm,10mm,16mm and 18mm ... : clear, bronze, white opal, blue, orange, etc. U-lock polycarbonate sheets