ThreadEase Duo offers a convenient set of 12 pre-wound plastic bobbins, including white and black thread. Each bobbin is pre-wound for easy use, making it ideal for various sewing projects. The pack provides a mix of white and black bobbins, ensuring you have versatile options on hand. Crafted from durable plastic, these bobbins are designed to fit standard sewing machines and provide smooth, reliable thread delivery. The pre-wound design saves time and effort, allowing for quick setup and seamless sewing. Whether you're working on detailed embroidery, repairs, or general sewing tasks, this 12-pack of bobbins offers practicality and convenience. Keep your sewing supplies organized and ready for any project with these easy-to-use, high-quality bobbins. Perfect for both beginners and experienced sewists, this set ensures you always have the right color and amount of thread readily available.