Sofft Art Sponges are uniquely designed for use with PanPastels and other soft, chalky mediums. These soft, micro-pore sponges are specially designed to evenly distribute delicate colors, without brush strokes. Create unique textures and effects with powdery or water-based mediums. Clean with soap and water, squeeze and air dry fully before reusing. This pack of two contains angled oval shaped sponges for blending medium sized areas.