Features: Useful gifts: You can give smoothing sponge to your family, friends, relatives, teachers, colleagues, neighbors who like making pottery, or ceramic lovers, DIY porcelain with them, making them happy and enhancing your relationships. Lightweight to carry: The mud sponge for clay has light weight and suitable size, and can also be compressed, easy for you to put several pieces in your handbag or backpack to carry around, you can share and use them conveniently with your partners in your DIY projects. Specifications: Material: sponge Color: blue, yellow and white Size: about 9.5 x 5.7 cm/ 3.75 x 2.25 inches, about 8 mm/ 0.31 thick Package includes: 12 x Pottery sponges Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.