In order to hide the spine, place the back cover on the front then once bound rotate that back cover to the reverse.

A4 Oval Binding Combs

A4 Oval Plastic Binding Combs are incredibly easy to use and allow for easy binding of documents, typically from 250 up to 450 sheets thick. You can add, replaces or remove individual pages when using Binding Combs, saving you the time and expense of reproducing a whole document.