These DecoBob prewound bobbins are great for anyone into sewing, embroidery, or other needlework. Whether you're a beginner learning the ropes or an experienced crafter, they'll make your projects a breeze. The bobbins are size M and come in a pack of 24 in a bright blue color. You can use them for all sorts of things like making clothes, home decor items, or beautiful embroidery designs. The 2 - ply cottonized polyester thread gives you a nice balance of strength and a soft finish for your work.