Easy To Use: The snap on hair curlers are designed with teeth and shells, easy to fix on your hair without falling off. use the hair roller when the hair is half dry. if the hair is dry, spray a little water,With hair dryer,the effect is better. Easy to create various hairstyle. Create waves, volume, and lift with no mark on hair marks.the Multiple combinations meeting your need to achieve curls or waves of the same shape. The hair rollers give your hair a charming volume with curls or bounce. Product Feature: Five sizes of rollers are great for all hair textures. Variety pack of thermal hair rollers will pump long lasting volume into your hair. you can use it make waves, retro rolls, air bangs and other shapes for your bangs or hair tails. create curly hair wave, water hair wave, body hair waves small or bigger. Most of hair style you can do as you like. you can create big, bouncy salon-style curls.