Clipboards belongs to binding materials. The clamp consists of a fixed wire, a pring, and a metal plate. The edge of the watch is electroplated with nickel or galvanized zinc. The Clipboards has different materials, different clips, different sizes and different colors. PS writing boards mainly have four colors: red, yellow, blue, and green.Our clipboard is strong, easy to rust and easy to useIt is a good tool for daily meetings and business records. It can be used as a pad and the plate is flat.