COTU (R) brand 7 inch foam twist flex rods refills for hair curler. 4 piece each: 7/8-Inch Purple, 11/16-Inch Gray & 5/8-Inch Orange Use only COTU original foam twist flex rods to get your heatless curly hair done perfectly. It comes with 42 foam rods that is more than enough for a head full of hair Easy to Use - Simply bend, twist, roll, effortlessly create beautiful, bouncy curls No Heat Damage - Create heatless curls without heat-damage. Take this to go with our FREE clear zipper carry case