These artist quality Micropore technology sponges are designed for use with Pan Pastels, water-based colors, polymer clay, or ceramics. Just load the sponge with color and gently apply to the surface. Vary the pressure to change the effect or use the edges for lines or details. They are reusable and may be cleaned with soap and water.

They are sold in a variety of shapes with multiple sponges in each pack. The Mixed Bar pack includes one each of four bar shapes.