Wide applications: the heatless magic hair curlers are suitable for women and girls to DIY their hair styles, can be put in pony tails as will, curls will last for days; Each time to curl hairs may need 10 to 20 curlers depending on thickness of hair, thick hair may require more curlers. Easy to Use: Using steps are simple. Divide your semi-dry hair into sections, assemble the hook, thread hair through the hair rollers. Then, just enjoy your time to do what you want, or you can use a hair dryer to save time. when your hair become dry, remove the curlers gently, you will get beautiful curly hair. No heat damage: this no heat spiral curler is a nice alternative to using heated styling irons and will create beautiful curls and waves, without damaging your hair, and suitable for long or short hair, thin or thick hair, a DIY solution to your favorite wavy hairstyle. Great for Most Hair Types:  the magic hair curlers are easy to use and fit most hair types such as frizzy, naturally curly, straight and so on, make beautiful curly and body wave hair without damage; Soft material allows you to tie them up and back with a scarf during sleeping, get adorable curls in the next day. Hair Culer Set: You will get sufficient contents include 20pcs Wave style hair curlers and 20pcs spiral curlers. Each curler can extend to 12inches/30cm, They are all in four colors- blue, orange, pink and green. 4pieces hair styling hook for applying the hair curlers. One Instructions to teach you how to use.