1、Bobbin with Thread: This bobbin thread set comes with 36Pcs bobbins and 36 assorted colors sewing threads, enough for your normal daily using. 2、Durable Plastic: These colorful bobbins are made from durable plastic material, and threads adopt premium polyester. 3、Wide Application: These plastic bobbins and polyester threads are essential accessories for your sewing machine for handcraft and patch the clothes. 4、Box Packed: These prewound bobbins threads are well organized in a transparent plastic box, easy to see which color to choose and let your hand sewing in an orderly way. 5、Great Gift: This swing bobbins set is the great choice for you preparing gifts for your wife, mom, sister or friends. 36 x Roll of Prewound Bobbin Thread1 x Plastic Box Item Type: Bobbin Thread SetMaterial: Polyester, PlasticColor: Assorted ColorSingle Roll Size: Approx. 20 x 10mm / 0.8 x 0.4in ( Manual Measurement, Slight Error May Exist )