... Thickness: 1-25mm Density: 0.45-0.9g/cm3 PVC Free foam board ------------------------------ 1. Specification and ColorsThicknessmmSizemmDensityg/cm31-101220x2440/1560x3050/2050x3050 ... to clean and maintain.6) Environmental friendly------------------------------ 3. Application 1) Advertising : sign board, billboard,displays, exhibition stand, silk screen printing, laser ...