Description: The hair curlers styling tools measure approx. 30 cm/ 45cm in length, you can choose the using number according to your hair volume, thick hairs may require more curlers, it is up to thickness of hair. Material: the wave style hair curler tools are made of plastic, lightweight, durable, and reusable. No heat damage: this heatless hair curler can create delicate curls and waves, and doesn't damage your hair, and suitable for wet hair, long or short hair, thin or thick hair. Easy to Use: just use the styling hook to put the wet hair into the curler, let your hair dry naturally or dry it with a hair dryer, take off the curler, and make a hairstyle. Practical tools: the wave style hair rollers is a great gift for women and girls to diy their hairstyles. Package Includes: 22 Pieces Hair Rollers 2 Pieces Hair Hook : Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!