Feature: 1. Easy Storage: Embroidery bobbins is convenient for you to use and store the remaining thread easily, and there are no more messy and loose threads around, and it is easy and convenient to organize. 2. Plastic Material: The wire winder is made of plastic, and the storage rings is made of metal, which is strong and durable, not easy to break and deform, easy to operate, and durable. 3. Save Time: Embroidery bobbins may take a lot of time if you wind it yourself, but with the help of a winder, it will make winding more convenient and easier, saving time for your work. 4. Fixed Both Ends: Embroidery thread can be wrapped around it, and each spool is designed with intimate parts at both ends to fix the thread and won't slip off easily. 5. Scope of Application: Embroidery floss cards can be used for needlework, embroidery, DIY crafts or other sewing jobs to make your work easier. Specification: Item Type: Plastic Floss Bobbins Material: Plastic, Metal Specifications: One Set ProductUse: Household Scope of Application: Most Scenarios Single Size: Approx. 4 x 3.5cm / 1.6 x 1.4in. Package List: 100 x Plastic Floss Bobbins1 x Manual Bobbin Winder4 x Storage Rings