The Magnetic Sewing Machine Bobbin Holder Rack is a convenient storage solution for organising up to 4 bobbins of thread. Made from durable plastic, this rack is designed to securely hold your bobbins in place, making it easier to keep track of your embroidery projects. The random colour and compact design make it a practical addition to your sewing machine, allowing you to easily access and switch out your bobbins as needed.