● Pack of 50 thread winders. The size of the winding board is 3.5x3.8cm/1.37x1.49inch. There are enough for your daily use. ● Made of quality plastic. The thread bobbins is lightweight, durable, non-toxic, designed to last. ● Great helper for you keeping the waxed thread cord, sewing thread neatly in place, very convenient for your search. ● This set of plastic floss bobbins can be wrap around different thread to prevent them from getting tangles together and are simple and easy to sort. Perfect for keeping thread organised and untangles. ● It can be used in cross stitches, embroidery, crocheting, DIY crafts or other sewing work to make your work easier and more convenient.