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.