The set comes with 36pcs empty sewing machine bobbins in storage box, which are made of durable iron material for practical use. The transparent case has well organized your bobbins, and the case also protects your bobbins from physical and chemical harm. Features - ColorAssorted Color - Material: Pc. - Size: Approx.14.5x11.8x 2.7cm, - 36 Pcs bobbins and 36 assorted colors sewing thread is enough to use for a normal daily using. - Those bobbins are suitable for domestic sewing machine. - The 36 assorted colors which is various color, and the color would meet your various requirements. - The set comes with a storage case, very organized with each bobbin in a separate spot and easily to see which color to choose. - Each bobbin with one compartments, easy to remove and use. - Perfect for anyone just starting out with an embroidery machine or a sewing machine. - Warm Tip: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 1 x Sewing machine spool