- Washable design: the washable feature makes cleaning easy and helps prevent dirty tools from affecting your work. Keeps blending tools for drawing and blending sponge brush ready for smooth creation. - Precision erasing: made from sponge material, these tools allow precise detail correction without leaving marks. Keeps your artwork clean and sharp and works well with drawing tools and blending sponge pens. - Detail precision: sponge material enables precise erasing of fine details, leaving no residue and maintaining a clean finish. Suitable for sketching and drawing, with a double headed sponge brush for versatile control. - Layering effect: these tools enhance depth and vibrancy by enabling controlled layering. Ideal for more interesting drawings, compatible with blending stumps for drawing and drawing sponge pads. Use scenarios - Scenario 1: Clean up stray lines and refine edges in graphite or pencil sketches without affecting surrounding areas, using precision erasing and the double headed sponge brush. - Scenario 2: Build soft shading and smooth tonal transitions in portrait or still life drawings by using the blending sponge pads and blending tools for drawing. - Scenario 3: Improve technical or architectural sketches by erasing tiny details precisely and adjusting line weight with minimal residue.