Designed for outdoor writing and drawing, this large brush pen water-absorbing tip delivers consistent and bold stroking. Its sturdy construction and replaceable head structure make it a sturdy choice for various activities. Whether in a park or at home, this brush pen tip enhances your artistic experience with ease. Features -Color:Multi -Material:Plastic, sponge -Size:17.50X7.00X7.00cm/6.88X2.75X2.75in -Advanced design: the water dipping large brush head offers an innovative solution for efficient calligraphy practice -Outdoor versatility: water-absorbing tip is ideal for outdoor writing and fitness, providing a unique way to practice calligraphy in various settings -Easy replacement: the replaceable head allows for quick and easy changes to suit different writing needs -Robust construction: built to last, ensuring the brush head remains functional over time -Convenient water use: large water brush pen tip removes the necessity of a water basin, simplifying the process of dipping the brush in water Package list: 1 x brush replacement head