Clear Bobbins: The white acrylic bobbins can not only prevent the thread from tangling and messing up, but also let the color of the thread to show more clearly. They can be used to label your thread color for easy matching to stitch patterns. Please tear off the white protective film before use Size and Quantity: The clear embroidery floss drops are about 3.8cm/1.49inch wide, 4.5cm/1.77inch long, 3mm thick, hole: 5mm. There are 30PCS in the package, sufficient quantity can meet your various sewing needs Easy to use: These floss drops can help you organize and untie the remaining embroidery threads, prevent them from being entangled, and sort them easily. You can use markers or tag stickers to mark the robbins, easy to clean and leave no trace Wide Application: The acrylic floss robbins can be applied when doing cross stitch, needlecrafts, embroidery, DIY crafts and other sewing works, make your job more easier, help you to save thread, in case the thread get mixed up Durable Material: These thread robbins are made of quality acrylic, compared with paper and plastic material, our thread organizers are stronger and less likely to break or deform, convenient to store and can be used for a long time