Notepad-Binding or Legal-Pad-Binding: What is the difference?
Notepad Binding is bound at the top with a glue substance that hardens and holds together the sheets and chipboard (cardboard) backing. Pads are less expensive and great for office use.
Legal Pad Binding involves several binding steps on different equipment. The sheets are perforated, then stitched to the chipboard backing, and finally a stabilizing tape strip is applied. These pads are great for field work because they stay together when inserted into a pad folio or tossed about or pages are bent back and forth over the top of the pad.