1. Erasable function: The pen refills contain special ink, which can be erased with temperatures up to 60 degrees. When the iron touches quickly, you'll see the mark disappears without any residue. Your fabric won't get messed up. Unlike normal chalks, our sewing markers won't rub away before your project is finished. 2. Convenient to use: It can write lines with fine 0.7 mm writing points, with a writing width of 0.35mm. Our sewing fabric markers let you draw out clear, intricate patterns that result in stunning handmade clothes and crafts, which give you good using experiences. 3. Wide range of usages: The refill for the head is made of hard steel, which can improve the marking effect. These marking pens can work well on most clothes, suitable for dress marking, handicraft, shoe marking, embroidery, crossstitch, etc. They can also paint intricate patterns in stunning handmade clothes and crafts. 4. 4 Bright colors: The marking pen shells and refills are 4 colors, which are black, white, and blue. They are suitable for marking on various colors of fabrics, suitable for both quilters and tailors. It's easy to carry the pens and other sewing supplies with the box packing. There are 4 fabric erasable pens with 8/16 extra refills in 4 colors. The spare refills extend the pen's life, and the abundant quantity allows for longterm use.