We can supply backlit flex with the weight of 610gsm, here is detailed specifications of our backlit flex: Applied Printers: Optimized for digital solvent based printers such as VUTEK, NUR, SCITEX, ARIZONA, SALASA, TECKWIN, YASELAN, FLORA, INFINITI, etc. Scope of Application: 1) Billboard (frontlit) 2) Dispalys (indoor and outdoor) 3) Banners 4) Building murals and instore displays 5) Exhibition booth decoration Weight: 610gsm(18OZ) Yarn: 500*300D Construction: 18*12/sq. Inch Thickness: 0.53mm Width: Up to 138 inch