About this itemEasy to Operate: just 3 steps 1.Comb hair out with leave-in conditioner. 2.Start rolling. 3.Air dry or use a hair dryer to speed up the process. All process takes about 20 minutes. BEST SLEEP CURLER - This curl formers is made of foam sponge and a rubber band to fix hair. The rollers are very lightweight & super soft and will not hurt your head when sleeping. LOOSE Light Weight Natural CURLS - After use the hair rollers, the hair looks extremely curly, unlike the curing iron. You will get a full day of beautiful hair. Heat - Free No Electricity Hair Curler Tool - This hair curl formers are very great alternative to heated curlers, which will not damage your hair. Less expensive, but good result Package: Include 6 piece Hair Curler. It is practical, washable and reusable.