AOA No-Heat Wavy Hair Curlers are easy to use + make beautiful waves without damage. Great for extensions, wigs, + more. Soft enough to sleep in or wear while you’re busy. Includes: 6 curlers + 1 hook Size:1.2" x 10"(3 cm x 25.5 cm) How To Use Wet and towel-dry your hair. For best results, spray hair with setting spray before applying the curlers. Connect the rod and slip the hook through the waved ribbon. Wrap the hook around a one-inch section of hair, and pull it through to secure the ribbon to the hair. Allow hair to dry naturally for a few hours or overnight. If in a hurry, blow dry on low-medium heat.* Pull off the curler starting from the bottom, then style as desired. *To avoid damage, do not use under direct high heat for more than a few seconds.