Features: brand new and high quality VALUE PACK. Each pack comes with 4 boxes of 36 colors prewound Bobbin thread. Abundant colors and quantities, completely enough for your daily use. FITS ON. These colord sewing thread for various sewing machines. Made of high quality polyester material, bright colors, not easy to fade.Perfect for DIY embroidery, quilting patchwork, sewing clothes, etc. CLEAR CLASSIFICATION. With a clear and transparent bobbin box, each bobbin is in a separate position, very orderly; Made of clear plastic, it is easy to see which color to choose, which is more convenient for you to use. RESUSABLE THREAD ROBBIN. There are 144 bobbin in total and 144 different colors of thread can be wound together; These bobbins can also be applied as new bobbins after the thread is consumed. A great tool for DIY: it is an essential accessory for your sewing machine to make and repair clothes by hand, it is a good choice for preparing handmade gifts. Package Includes: 1 Set Prewound Bobbin Threads with Storage Case Specifications: Color: 144 Colors As Picture Shown Size: Approx. 14.5x12.5x2.6cm/5.71x4.92x1.02in Material: polyester; Plastic Weight: Approx. 771g note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you