SET PACKAGE - You will receive 14 pcs sponge pen, in 2 different sizes to meet most of your artistic needs.This set of brushes serves as a useful addition to your art kit, ensuring that you always have a tool at hand when inspiration strikes. PRACTICAL SIZES - This sketch rubbing sponge brush comes with 2 different sizes to meet your needs; The bigger pen measures about 0.47 inches in tip diameter and about 5.94 inches in total length, while the smaller pen is about 0.24 inches in tip diameter and about 5.51 inches in total length; For an artist or student, this in sizes means more room for creativity. HIGH QUALITY - The sketching wipe pen is made of quality sponge, felt and ABS, the black tip is made of sponge, and the white tip is crafted from felt, helping to smoothly blend different facets. The soft sponge tip is reusable, , and not easy to peel, the tip is gentle and delicate, without damaging the paper. The sturdy ABS shell is , comfortable to hold, and has a long service life, providing a pleasant experience. DOUBLE HEADED DESIGN - Our blending sponge pen features a practical double headed design, the black tip of bigger pen is applied for shadow side transition, Perfect for preliminary blending, the black tip of smaller pen is utilized to handle the detailing; The larger white tip is suitable for blending midtones into shadows or blending brighter areas, making your sketch more dynamic and visually appealing, you can use the white tip of smaller pen on detailed sides. WIDE APPLICATIONS - These blending sponge pen set is an Perfect practical tool for art enthusiasts and beginners. It allows you to easily and conveniently use charcoal and crayons for corrections, blending, and coloring, displaying beautiful gradients and shadows in your artwork. This brush is suitable for most occasions, whether it's an art project or a hobbyist's handmade creation. Material: Metal colour: silver Package Contents: 14 x sponge pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.