Feature:1. Hook Tooth Part: The hook tooth is round, and it does not hooked or stuck hair. Groove part is designed with hollow, so that perm medicine can penetrate into hair more easily.2. Safe To Hair: Not get stuck in the hair and does not need to be heated, which reduces the harm of curly hair and makes dry curly hair full and soft.3. Clip On Hair: Curling perm rod can be easily clipped to the hair without any tools or rubber bands to fix it, which is very simple and quick to use.4. Perfect Gift: You can share with your family and friends, it is an excellent gift for ladies and girls, take it as a unique gift for your daughter, girlfriend, wife and mother.5. Resin Material: Hair styling tool is made of plastic, resin material, which is safe and reliable and will not damage your hair, is suitable for various hairstyles.Specification:Item Type: Perm rodMaterial: Plastic, resinClose Status: Approx.8 x 2cm / 3.1 x 0.8inOpen state: Approx.14.5cm / 5.7in.Package List:25 xPerm Rods1 x Storage BoxNote:Please allow 2‑3cm error due to manual measurement. Thank you very much for choosing our products, you won't regret it!