Its a green binding products with spool packing.

Size: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4", 7/8", 1",1-1/8", 1-1/4"

The products used on loose leat paper, such as books, wallcalendars, desk calendars, brochures, tel-address books, notebooks,and etc.