Package Content: You receive 6 pieces of blending pens in 2 sizes. The quantity is sufficient for your use and art classes, and it's an useful addition to your . The white felt tip may contain some black wool but it doesn't affect the actual use. Suitable Size: Our blending sponge pens come with 2 sizes to meet your different needs. Reliable Material: Made of premium sponge and plastic pole; the black tip is made of sponge and the white tip is made of felt, helping smoothly blend different sides. The sturdy plastic pole makes them long-lasting and comfortable to hold, washable and reusable. Double-Tip Design: The black tip of larger pen is for shadow-side transition, and the white tip is for transitioning halftones into light and dark sides or blending light sides; the black tip of smaller pen is for details handling, making your sketch more dynamic and visually appealing. Wide Application: This blending sponge pen set is a practical tool for students, beginners and art lovers, suitable for most occasions, such as art works, school assignments or , helping you easily blend and color and creating beautiful gradients and shading in your artwork. There may be slight color difference or difference between the actual product and the actual product. color: Photo Color Material: plastic+sponge Package Contents: 6 pieces of blending pens in 2 sizes 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.