ボビンボックス by ハンディキルター

The lid snaps shut securely, so I can toss this in my sewing bag without worrying about loose bobbins. It's compact enough to sit on my worktable without taking up too much space.

I fit all thirty of my bobbins in here with no problem, and the clear lid makes it easy to see which are full. The box is compact enough to sit on my sewing table without taking over.

Finally, a bobbin case that keeps my M class bobbins from tangling in my sewing basket. The clear lid makes it easy to see which ones are full without opening it.