• Lower thread holders made of polypropylene, a lightweight and flexible material • The set includes 30 bobbin support clips • The clips are reusable and practical, ideal for organizing and protecting thread bobbins • They help keep threads organized, preventing them from unraveling or getting lost • They make sewing and embroidery easier by preventing tangles and keeping the workspace clean • Suitable for spools of different diameters, both small and large • Can be used on domestic sewing or embroidery bobbins • Easy to expand and place according to the needs of each project • Ideal for those who enjoy sewing and crafts, allowing for more efficient and pleasant work