BobbinSaver Sewing Machine Bobbin Organizer - Holds 20+ Bobbins - Blue Stores 20+ metal and plastic sewing bobbins Bobbins fit snugly into flexible plastic channel and stay in place, even when turned upside down Worry-free bobbin storage, keeps bobbin threads from unwinding or becoming tangled Bobbins are easy to see and remove BobbinSaver is 3/4 tall x 5 1/8 diameter