Additionally, they can also press the back button or the exit icon in the top - left corner of a box. (9to5google.com)
There is a counter in the lower right hand corner of the box and that will be visible once you start typing. (blog.infinitypublishing.com)
Fold box top at score lines and carefully run a thin line of hot glue along the inside corner tab and attach to adjacent side to make corners of box. (inmyownstyle.com)