1. Material: The sewing thread is made of high-quality polyester, which is wear-resistant and durable 2. Length: Each roll of sewing machine thread is 45m/50yds long 3. Use: Suitable for embroidery and machine sewing, helping a variety of sewing projects We provide a variety of polyester sewing thread color options from light to dark, with bright and beautiful colors to meet the creative needs of various colors, providing creative freedom for your sewing projects Our embroidery bobbins are suitable for most sewing machines. It can reduce the tediousness of winding the thread by yourself and improve the efficiency of sewing projects Each spool can hold 45m/50 yards of sewing thread. This space-saving design is perfect for small hand and machine sewing projects Sewing machine thread is made of durable polyester, strong and durable, not easy to wear, break, and tangle This thread for sewing supplies is suitable for hand, machine sewing, and embroidery machines. You can DIY personalized clothing and bags to meet your fashion needs White Prewound Bobbins Thread Kit Polyester Thread Sewing 25 Color Sewing String Sewing Thread Kit Black Prewound Bobbins Wrist Pin Cushions High Quality Polyester Thread: Sewing machine thread is made of durable polyester, strong and durable, not easy to wear, break, and tangle, and sewing string is an indispensable helper for sewing projects The included transparent storage box can help you store and sort the spools easily and quickly Size A SA156 Bobbins: Each box contains 25 pieces of prewound embroidery bobbins of sewing thread assortment. The spool of thread is made of high-quality plastic and will not deform or absorb machine oil. Each spool can hold 45m/50 yards of sewing thread. This space-saving design is perfect for small hand and machine sewing projects Versatile Sewing Thread Kit: Thread and bobbin set compatible with most sewing machines. Each spool has a matching color sewing string, so there is no need to wind the spool yourself, ensuring seamless transition and a professional finish for a variety of sewing projects. Soft, smooth, strong sewing thread, easy to handle Multiple Options Thread Color Set: We provide a variety of polyester sewing thread color options from light to dark, with bright and beautiful colors to meet the creative needs of various colors, providing creative freedom for your sewing projects Wide Range of Uses: This thread for sewing supplies is suitable for hand, machine sewing, and embroidery machines. You can DIY personalized clothing and bags to meet your fashion needs, or transform new home decorations (such as curtains and pillows) to add new highlights to your home. You can also add embroidery details