Feature:1. Gentle Curls: This plastic hair rollers will not damage yout hair, while avoiding tugging and burning hair by the coil of electronic curling iron.2. Skin Friendly: This heatless hairdressing curlers is comfortable that you won't feel uncomfortable even if you use this roller before bed or wear while you sleep.3. Convenience: This curler is very simple to use. There is elastic band on the hair rollers, you just need to wrap your hair around the rollers, fix with the elastix band and wait for a while, then you can remove and your hair is styled.4. Reusable: These curlers are reusable, you just need to wash the rollers after use. And each pack contains 20 rollers, so you can use for a long time, convenience for you easily replace broken or old ones.5. Portable: The plastic hair curlers is compact and lightweight, so you can carry in your bag or luggage. Satisfy your hair styling needs at all times.Specification:Item Type: Plastic Hair RollersMaterial: ABSHow to Use1. Wet your hair slightly before use.2. There is a left and right side of the hair curl, so you should check the left and right side before using.3. At the end of the curl, the letters "L" and "R" are printed. "L" is for the left side and "R" is for the right side.4. Select "R" and start from the right side of the hair.5. Wrap the end of the hair around the black self adhesive place.6. Wrap the hair around the curl one by one7. Roll the hair to the top of the curl.8. Use the rubber band to secure the hair roll from top to bottom9. After fixing, use a hair dryer to heat up for setting the style10. Select "L" and curl the left side of the hair, as on the right11. Wait the hair is completely dry, you can remove the curls12. Use your hands to tidy up and your beautiful curls are completePS: If you want your hair to be curled outwards, just need to change the left and right hair rollers..Package List:10 x Packs of Hair Rollers ( 2PCS / Pack )