- Bobbins Are Made of Plastic, Durable, Practical, Smooth Without a Burr, Will Not Scratch the String
- High-Quality Plastic Tubes That Can Easily Wrap the Line on It Without Breaking
- Can Be Applied to Home Sewing Supplies and Embroidery Machine, a Good Sewing Set for People Who Need a Lot of Thread Bobbin
- The Bobbins Are Enclosed in a Transparent Plastic Case




