Measuring just 3" (7.5cm) high, Keep your bobbins organized! This innovative tool neatly organizes up to 30 bobbins. It can hold any type of bobbin and secures threads -- no more tangles! Conveniently see all your thread colors at a glance. Note from Nancy: "I had a drawer filled with loose bobbins -- what a mess! Now I have my bobbins neatly organized next to my sewing machine. What a great organizer!"