... :PS ,White paper KT Foam boardIntroduction: Oursign Polystyrene foam board/KT board is an extruded polystyrene foam board bonded between two sheets ... white, red, blue, yellow, green, black. Application:1. Advertisement: exhibition & display, printing, silk screen printing,engraving materials, sign board, etc.2 ... , Blue, Green, White, Gray, Blackspecialcard board with adhesiveAspecial KT Foam board