1 Pair of Bobbin Boxes. 1 Box has 28 bobbins loaded with thread, the other box has an empty liner to hold your existing bobbins. When you're ready to sew, the last thing you want to do is hunt for a bobbin. Store those elusive rolling spindles separately and under cover in these specially designed bobbin boxes. Each box holds 28 bobbins in full view at your finger tips. They insert and remove easily, stay tangle-free and tightly wound. Each box is 7" x 4.5" x 1.5"