Features: Round art sponges crafted from highly absorbent polyurethane ensures seamlessly watercolor, acrylic, gouache painting, or ceramic, pottery, rock and stone painting with quick moisture retention and release. This 25 piece art sponges set features 7cm diameter for detailing and broad coverage, crafted from washable polyurethane for repeated use in craft project. Suitable for ceramic artists, adult, children, beginner, and watercolor hobbyists seeks multifunctiona painting tool for intricate designs or bold artistic expression. Widely used for studio work, classroom art activity, or home craft project requiring controlled pigments application on pottery, canvas, or face body painting designs. Enhancing creative flexibility with these multipurpose art sponges, works great with inks, dyes, and mixed paint project while maintaining structural integrity after repeated washes. Specifications: Color: Yellow Component: Polyurethane Size: Approx. 70x25mm/2.76x0.98in Weight: Approx. 310g Package Includes: 25Pieces Round Sponges note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color