About this item Package includes: 40 pieces spiral curlers in 2 different colours, including pink, purple. 55 cm. Each time you want to curl hair, 10 to 30 rollers are required depending on the thickness of the hair. For thick hair, more rollers may be required. Natural material: made of natural PET fabric, will not hurt your hair. No heat required or curling potion, children, adults, pregnant, everything you can and reusable. Wide application: the hair rollers are great for women and girls to DIY their hairstyles. Simply tie them up and back with a scarf and then sleep with them. You will love this curly hair when you wake up, also suitable for dancing and cheering. You can also put it in a ponytail, curls last for days. Use: 1. Separate your hair into several parts according to the style you want. 2. Run the curler through the roller. 3. Hook your hair. 4. Pull your hair through the roller with the hook. 5. Removethe curler. 6. Use a hair dryer to blow the hair.7. Remove the roller. Tips: wet hair works better. Warm tips: the effect of curls depends on the time of curls, your own hair quality and the amount of curls. The less hair curls, the better.