Description Smooth surface of the thread spool, not easy to get stuck, which is convenient for your matching. They aremade of durable plastic materials, designed withstrong durability and long service life. Thethread spools are convenient for your sewing projects. Features -Color:Black -Material:Plastic -Size:5.50X5.50X2.00cm/2.16X2.16X0.79in -These bobbins are specifically designed for daily use, making them a practical and convenient choice for anyone who enjoys sewing. -Whether you're just a beginner with an embroidery machine or a sewing machine, these bobbins are the perfect choice for all your sewing needs. -The color of these bobbins is both stylish and practical, allowing you to easily see the color of the thread wound on the bobbin. -Unlike old bobbins that are prone to rust and can cause broken or stuck threads, these bobbins are are durable and practical to use. -With their large size design, these bobbins are perfect for preventing unraveling or tangling of the bobbin thread when sewing operations stop and start. Package list: 12 x bobbins