Made of plastic material. It's lightweight, sturdy, simple, convenient and can use for long time. No need heat and won't be hurt your hair; Each spiral perm stick measures is 15cm/6inch Length; Fit for women girls with medium /long hair; Coming with 26pcs plastic hair perm rods that enough to meet with your DIY hairstyles as your different mood, make your fashion and attractive; Simple to use; 1) Just take a strand of your hair and hook it onto a spiral perm; 2) Then spin your hair around; 3) Use clip to fix it; Hold on several minute that your will get a beautiful curly hairstyle; Fit for most of hairstyles, perfect for daily or outdoor to use;.