- Reliable Material: Crafted from high-quality sponge, felt, and durable plastic, our blending pens ensure longevity and comfort. The black sponge tip allows for seamless blending, while the white felt tip enhances transitions, making your artwork come to life. These pens are washable and reusable for your convenience. - Double-Tip Design: Each pen features a unique double-tip configuration. The larger pen's black tip is ideal for shadow-side transitions, while the white tip expertly blends halftones into light and dark areas. The smaller pen's black tip is perfect for adding intricate details, elevating the quality of your sketches. - Package Content: Each set includes 6 blending pens in two sizes, providing ample supplies for both personal use and art classes. Note that the white felt tip may contain traces of black wool, but this does not impact performance. - Convenient Sizes: Our blending pens are available in two sizes to cater to your varying artistic needs. The larger pen measures 5.9 inches (15 cm) in length with a nib diameter of 0.47 inches (1.2 cm), while the smaller pen is 5.51 inches (14 cm) long with a nib diameter of 0.29 inches (0.75 cm). - Practical Applications: Ideal for sketching, shading, and blending in various art forms, these pens are perfect for artists, students, and hobbyists alike. Use them to enhance portraits, landscapes, or any drawing where smooth transitions and details are essential.