Features builts in magnets at the bottom to securely attach to metal surfaces, allowing easy access and retrieval of bobbins while working Ideal for sewing studios and home sewing setups, helping users quickly locate needed bobbins to streamlines workflows and enhances productivity from that is portable yet sturdy, ensuring long time use without cracking or breaking under regular conditions Suitable for industrial sewing machines, flatbed machines, and various sewing equipment, making it a versatile storage solution for professional and hobbyists This universals bobbin storage box can hold multiple bobbins to keep your sewing threads organized and loss or tangling during projects