Slit metalized polyester film( aluminum metalized and protective epoxy resin coated) into various width of 1/ 50" , 1/ 69" , 1/ 85" , 1/ 100" , 1/ 110" , 1/ 120" inch, 1mm, 2mm and thickness of 12 microns15u) , 23 microns( 25u) , 30 microns( rainbow/ pearl, laser) , 60 microns etc.( 70u) ( with other size available up request) . Popular colors: rainbow, transparent, mat etc.