High Quality 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 Reusable Bobbins 25 Pieces of Sewing Machine Bobbins with 1 Plastic Storage Box Protect the Bobbins and Convenient to Carry. Which Is Totally Enough for Your Normal Daily Using Extensive Applications Can Be Applied to Home Sewing Supplies and Embroidery Machine, a Good Sewing Set for People Who Need a Lot of Thread Bobbins for Craft Projects Suitable Sewing Machines Compatible with Most Standard Household or Commercial Sewing Easy to Carry the Bobbins Are Enclosed in a Transparent Plastic Case, Each Brother Bobbins in a Separate Position, Bobbins for Sewing Machine Very Organized. Protect the Bobbins and Convenient to Carry