The clay sponge of pottery is a perfect of and daily maintenance. Whether you plan to use it for pottery, oil painting, watercolor painting, painting, fabric application, car polishing, waxing, tire maintenance, polishing protection, window cleaning, or any routine maintenance, it can be your primary choice. The pottery sponge you will receive is 25 PCs. Please note that due to vacuum packaging, the clay sponge needs to be moistened with water to restore its shape within a few minutes after being removed from the compressed packaging. Craft sponge is made of high-quality polyurethane material, which is to deformation and has no during use. It is easy to clean and can be reused. The size of clay sponge is 3 x 1 inches, providing comfortable grip and perfect size for most people. Excellent absorbency: The circular sponge is very soft, highly elastic, and has excellent water absorption ability. It ensures perfect water absorption during pottery polishing, coloring, and various artistic processes. In addition, it can be easily cut into different sizes according to your needs.