How to use Step 1. Using a wide tooth comb, gently brush a section of the hair you would like to curl. Step 2. Spray some water on the section of hair. Step 3. Wrap the section of hair around the flexi rod several times, and roll the flexi rod up towards the scalp. Then, bend the ends of the flexi rod to hold the hair in place. Step 4. Repeat Steps 1 through 3 to complete curling your whole head. Step 5. Release the flexi rods and let your curls unfurl! 7 COLORS & SIZES: 7 bright colors, 4/5-Inch, 7/10-Inch, 3/5-Inch, 11/20-Inch, 1/2-Inch, 2/5-Inch, 3/10-Inch, multicolored sizes to create curls and waves of different size and styles. Easy, quick, foam-made without hurting hair to create beautiful and gorgeous curly hair.The flexible iron inside the rod is more flexible and changeable to meet various curling needs. NO HEAT NEEDED & BREAKAGE: Curl your hair without heat-damage and surface smooth roll products hair against breakage.Make of soft foam ,flexible and comfy to wear.