DMC-Plastic Floss Bobbins with Ring. Organize your thread for a project or just for easy storage. These plastic bobbins are easy to wind and feature an area to write the DMC color number on the front, and hole for looping on the included 2-1/2in keyring. This package contains twenty-eight 1-1/2x1-1/2in floss bobbins, and one ring. Imported.