... Surface:PS ,White paper KT Foam boardIntroduction: Oursign Polystyrene foam board/KT board is an extruded polystyrene foam board bonded between two sheets of ... .3. weather proof.4. easy to clean and maintain. 5. Color: white, red, blue, yellow, green, black. Application:1. ... boardAspecialcard boardARed, Yellow, Blue, Green, White, Gray, Blackspecialcard board with adhesiveAspecial\ KT Foam board