Dividers, A4 maxi, 225gsm, 5 part The Dividers are made from 225gsm lightweight premium pressboard. The dividers are A4 maxi in size and are pre punched so they can be inserted into most files and folders. The dividers have tabs which can be labelled. The dividers have 5 sections The Dividers are made from 225gsm lightweight premium pressboard. The dividers have tabs which can be labelled. The dividers have 5 sections The dividers are A4 maxi in size and are pre punched so they can be inserted into most files and folders.