Add life to arts and crafts activities by using these sponge foam rollers. The rollers create fun patterns with tempera, acrylic, watercolor, ink or colored glue. The rollers are fitted with easy grip handles--providing comfort and ease of use through long projects. Simply clean the rollers with soap and water. Each pack comes with four designs. Sponge Type: Shaped; Material(s): N/A; Shape: Dot; Stripes; Wave; Zig Zag; Width: N/A.