10 Pcs Pack A3 1, 5 Mm White Creat ' Premier | Cartonfoam
the controll (or cardboard sandwich) is an ultra light material composed of a polystyrene plate (the main material) bonded between two sheets of lightweight cardboard sides. polystyrene is a closed cell plastic which allows the material to not react to moisture. the poliplatt is used for billboards, hobbies, landscaping and preparing presentations. It cuts easily and its lightness is extraordinary. is solid, but gentle on the edges.