Ideal for fitness enthusiasts and artists, this water brush pen tip combines functionality and durability. The large brush tip is nice for creating dynamic strokes on different surfaces, and ensure long-term use. Its versatile design makes it suitable for writing, painting, and calligraphy, both indoors and outdoors. Features -Color:Multi -Material:Plastic, sponge -Size:17.50X7.00X7.00cm/6.88X2.75X2.75in -Portable design: the water dipping large brush head enhances calligraphy practice with its innovative approach -Outdoor and fitness integration: water brush tip is nice for combining outdoor calligraphy practice with fitness activities -Effortless replacement: the replaceable head design makes it easy to switch for different calligraphy styles - durability: water brush pen tip is constructed to last, providing a reliable tool for prolonged use -Streamlined water dipping: water brush pen head eliminates the need for a water basin, making the calligraphy practice process more convenient Package list: 1 x brush replacement head