Are you having a hard time finding the right sewing thread and bobbins for your vintage sewing machine? Did you sewing project ever turn into a bobbin winding project? These pre-filled bobbins with vibrant color will help. No more time wasted loading bobbins and thread. No more digging through bobbins and sewing thread to find the right color. These pre-wound bobbins negate the need of winding. The plastic thread bobbins have easy to find thread ends and almost no lint or fraying. The reusable threaded bobbins have no sharp edges that will cut thread or damage sewing machines. Unlike old-fashioned cardboard pre-spun bobbins, these thread and bobbins with transparent cases can be rewound easily with a bobbin winder and will turn your project into a frustration free process.