- Affordable A4 standing clipboard made of polystyrene hard plastic, not transparent. *Versatile: choice of different colors and sizes. *Available with bracket clamp on the short and/or long side. *Good grip: Bracket clamp with protective plastic corners. *Robust: hard plastic A4 clipboard, recyclable. *Strong: flat bracket clamp with grip. *Practical: equipped with a hanging eye in the clamp, which can also be hung. *Capacity 8 mm, plate thickness 0.3 cm.