Heatless HairRollers is aretro favorite,redesigned with new patented technology.CreateClassic Curls with a Modern Twist. TheseNo Heat DamageHairRollerSets are easy to use,fun to wear, and create a variety of hairstyles such asBeachy Waves,Spiral Ringlets,andClassic Pin Curls. HIGH-QUALITY.The material is ofhigh-quality medical-grade soft silicone. It isvery comfortable for using and can sleep in it overnight.Suitable forany length hair types and textures.