Features: Excellent Material: The sponge material has good elasticity and softness. Not easy to deform, safe, durable and practical to use. Designed for those who sketch, simple and convenient. Dries evenly and gently: Drying is gentle and delicate without damaging the drawing paper. Easy to wipe and effortless. Suitable for professional or personal use. Washable and Reusable: It does not contain latex and can be washed and used repeatedly. The essential tools for painters and painting lovers. 3 Sizes: Assorted sizes can satisfy your desire for painting, allowing you to blend even the most detailed area as well as a large area, very suitable for students, artists, beginners to sketch or paint details. Versatile Use: perfect for art drawing to soften lines, blend colors and create shadows and dark areas, blurring effects, adding a faint or soft effect to your drawings; for the thinner areas of the painting, you can delineate textures and patterns where the lines are already finished. Specifications: Material: Plastic Small Length: Approx. 140 mm/5.51 inches Medium Length: Approx. 145 mm/5.71 inches Large Length: Approx. 148 mm/5.83 inches Note: 1. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 3-Piece Art Sketch Pen Brushes