1. Suitable materials: This no-heat hair curler is made of foam material, which is sturdy and durable, can be reused for a long time, and can create a no-heat curling headband for you. 2. Special design: This hair rod provides a way to curl your hair beautifully without using electricity or heat. You can easily style your hair by yourself without causing damage to your hair, allowing you to have curly and healthy hair. 3. Usage steps: Before going to bed at night, let your hair down and separate it with a comb. Then wrap your hair with the no-heat hair curler and secure it with a hairpin. Remove the hair curler the next morning and apply essential oil to the curled hair to keep the curls in good condition throughout the day. 4. Time-efficient: Compared with rechargeable hair curlers and disposable hair curlers, the no-heat hair curler saves more time. It allows you to have curly hair while you sleep, and this no-heat hair curler won't burden you when you're sleeping. 5. Wide application: This no-heat hair curler has an attractive appearance and is simple and convenient to use. It is also a great gift suitable for giving to family, friends, and colleagues, enabling them to have curly hair too.