High Quality MaterialMade of flexible silicone, not easy to break when using, durable material will serve for a long time. You can rest assured to use it, it will be your convenient sewing product supplies. Easy to UseJust quickly stretch and connect to the spool. Whether tangling is convenient or - Prevent the ends of the coils from spinning and tangling with each other, and ensure the coils are neatly stored and organized. A functional helper for youThese sewing bobbin machine accessories can help you keep the bobbin together with the appropriate bobbin, more convenient accessories for tailors, they can also save you a lot of time and effort. Scope of use The spool holder works on most home sewing and embroidery thread spools (except large commercial or jumbo spools), saving time finding the little notch in the spool to catch the thread. Colorful Design4 bright assorted colors in pink, green, blue, orange can help color code your thread and bobbin supplies for sewing and make it easier to separate thread colors, not mixingsimilar colors. 4 kinds of color randomly sent. Due to problems such as different monitors and light, there may be color differences, please refer to the actual product, please understand Shipping Quantity: 20 pieces