- Double-Tip Design: Our blending sponge pens feature a unique double-tip design. The larger pen's black tip is perfect for shadow transitions, while the white tip excels at blending halftones and lighter shades. The smaller pen's black tip is ideal for detailed work, enhancing the dynamic look of your sketches. - Suitable Size: Available in two sizes to cater to your different artistic needs, the larger pen has a nib diameter of approximately 0.47 inch (1.2 cm) and a total length of 5.9 inches (15 cm). The smaller pen features a nib diameter of approximately 0.29 inch (0.75 cm) and a total length of 5.51 inches (14 cm). - Package Content: Each set includes 6 blending pens in both sizes, providing ample quantity for personal use or art classes. Note that the white felt tip may have some residual black fiber, but this does not affect performance. - Reliable Material: Crafted from high-quality sponge, felt, and sturdy plastic, these pens are designed for durability. The black tip is made of sponge for seamless blending, while the white felt tip ensures smooth transitions. The comfortable plastic handle is both washable and reusable, promising long-lasting use. - Practical Applications: Ideal for artists, illustrators, and students, these blending pens are perfect for sketching, coloring, and fine detailing. Use them for creating realistic shadows, blending colors in paintings, or adding depth to illustrations. Their versatile design makes them a valuable tool for any creative project.