1 Pair Bobbin Box Organizers with 28 Threaded Bobbins This offer is for 2 Bobbin Boxes- 1 with 28 Threaded Bobbins, 1 with Empty Foam Liner First Box has 28 assorted color bobbins threaded Dacron 402 thread The second bobbin box has an empty foam liner to hold 28 of your own bobbins Great Organizers, handy bobbins with Dacron 402 polyester thread Staggered placement makes for ease of removing bobbins with your finger tips.