Description This item is a set of empty sewing machine bobbins in storage box, which are made of durable plastic material.Bobbins can stop more quickly, effectively preventing unraveling or tangling of bobbin thread when sewing operations stop and start. Features -Color:As Shown -Material:Plastic -Size:2.00X2.00X1.15cm/0.79X0.79X0.45in -Note: Just bobbins, the thread is not included. -Premium materials:Bobbin plastic molding, more fine workmanship, than the traditional metal bobbin in the work of more smooth rotation. -For beginner and pro: Perfect for pro or someone just starting out with an embroidery machine or a sewing machine. -Transparent color: Generous, and it is more convenient to see the color of the thread wound on the bobbin. -Practical: The old iron bobbin is easy to rust and lead to broken line stuck line, transparent bobbin and large to solve this problem. -Convenient: Bobbins can stop more quickly, effectively preventing unraveling or tangling of bobbin thread when sewing operations stop and start. Package list: 50 x Bobbins (Boxed) 2 x Flexible Rules