Get the 12 Packs: 4 ct. (48 total) Center Enterprises Paint & Clay Texture Rollers at Michaels.com. You'll be "on a roll" with paint and clay craft activities as easily as using a rolling pin with this great set of 4 designs. The clever styles include a dot pattern of various sizes in a random array, a wave pattern, zigzag squiggles, and parallel multi-width stripes. All rollers are 7" long and 1.5" in diameter and made of very durable plastic and hard rubber.