These sponge calligraphy pen heads are suitable for artists, students, and professionals alike. The soft brush tips provide excellent control and precision, allowing you to create stunning calligraphy and detailed illustrations. The sponge material ensures performance, making these replacement heads a reliable choice for all your writing needs. Features -Color: -Material:Sponge -Size:2.80X0.50X0.50cm/1.10X0.20X0.20in - sponge construction: these calligraphy pen heads are made from sponge, ensuring durability and a smooth writing experience -Quick and easy to replace: the soft pen tips are designed for easy replacement, keeping your calligraphy tools in top condition with minimal effort -Ideal for various applications: suitable for a range of calligraphy styles and artistic projects, these sponge pen tips cater to various creative needs -Comfortable writing experience: the soft brush pen tips provide a comfortable and effortless writing experience, reducing hand fatigue during extended use -Ample supply for longterm use:you can enjoy a supply of for continuous use Package list: 50 Tips