Everyday, we wind thousands of MasterPiece cotton and SuperBobs Polyester bobbins. Every time we change colors or switch winding machines, it takes a few test winds to get the machine calibrated to produce the perfect bobbin. As a result, we have many imperfect bobbins. We put approximately 50 bobbins in bags and sell them for only $12.95. These are popular to use as hand applique thread and also as fillers for thread scarves and shawls.