Exacompta Balacron Clipboard, A4 This clipboard is made of resistant cardboard. It is rigid enough to allow note taking in any situation. The metal clip on clip has plastic corners so as not to alter documents. The clamp is fitted with an eyelet which allows the holder to be hung on a wall hook. 23x32cm format suitable for accommodating A4 documents. Blue angel certified This clipboard is made of resistant cardboard. It is rigid enough to allow note taking in any situation. The metal clip on clip has plastic corners so as not to alter documents. The clamp is fitted with an eyelet which allows the holder to be hung on a wall hook. 23x32cm format suitable for accommodating A4 documents.