Smooth roller surface protects hair from breakage can wear on dry or wet hair easy to use -no pins needed sealed plug ends make of soft foam - comfy to wear while sleeping. Using a wide tooth comb, gently brush a section of the hair you would like to curl. Spray some water on the section of hair. 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. Repeat Steps 1 through 3 to complete curling your whole head. Release the flexi rods and let your curls uncurl!