... . UV coating with 10 years warranty 3.100% virgin makrolon resin Hongyu polycarbonate hollow sheet has good light transmission,high impact ... :3-layer:10/12/16/18mm, 5-layer:20/25mm4)Color:transparent,lake blue,royalblue,green,opal,bronze,red,orange...Data ... and so on X-Structure Polycarbonate triple-wall sheet,Blue color