They have a smooth texture to look and feel similar to a natural silk sponge and can be used for anything from smoothing clay in ceramic. porcelain , pottery or craft projects. It can also be used in the house for everything from applying paint to washing dishes. They are gently curved at the sides and somewhat flattened at the top and bottom. Material: Sponge Color: Yellow Size: 7.5cm/2.95"(Dia.) 2.7cm/1.06" (Thickness) Quantity: 1Pc No Retail Packages Size for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package list: 1 x Painting Sponge