Features: Brand new and high quality These fabric marking pens are a must-have for anyone who wants to add a-touch of creativity to their writing or artwork. With their easy-to-use design and versatile functionality, these UV invisible ink pens are a must-have for most sewing or crafting enthusiasts. UV invisible fluorescent pens are perfect for DIY enthusiasts, artists, and craftsmen who enjoy working with leather and fabrics. Whether you are a professional tailor or simply someone who loves to sew-and create, these invisible ink pens are suitable for anyone looking to add precision-and detail to their work. With these UV marking pens, you can rest easy knowing that your fabrics are marked with an invisible ink that will only be revealed-when necessary, giving you added peace of mind in any situation. Specifications: Material: Plastic Size: approx 168x11.3mm/6.61x0.44 inches Package Includes: 2x/Set Invisible Marker Pens note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic-may not reflect the actual color of the item.