?Package Include?You will get 40 pieces spiral hair curlers and 3 pieces styling hooks. Each spiral rods can be stretched to approx 55cm/22 inches. Each time to curl hairs may need 10 to 40 curlers depending on thickness of hair, thick hair may require more curlers. ?How to Use?1.Divide your hair into several parts according the style you want. 2.Put the hair curler pass through the roller. 3.Hook your hair. 4.Pull your hair out through the roller with the hook. 5.Remove the hair curler. 6. Use a hair dryer to blow the hair.7.Remove the roller. Tips: Damp hair works better. ?Fit Most Hair Types?You can use it as easily by yourself, suitable for dry or wet hair, long or short hair, thin or thick hair.Use on all ages, all hair types from thin straight hair to coily thick hair, wigs and weaves. ?Durable & Reusable?Made of sturdy and bouncy and elastic material. It is so durable that you can reuse them for a long time.The material is eco-friendly, so both adults and children can use the wavy perm rollers without worries. ?No Heat Hair Curlers?The hair curlers spiral curls styling kit keep your hair free from the heat damage and don't hurt your head or rip your hair.