: Each heatless curling roller produces firm support to avoid hurting hair and tangling inside the roller, please take out the roller gently. The included hair clips help you achieve a stronger hold, allowing you to use it while cooking or running and exercising. : The jumbo hair roller is easy to operate, just put 70% dry hair into the roller, heat it with a hair dryer, and let it cool before taking it out. Once hair is completely cooled and dry, gently remove Rollers and style as desired, You will get natural and healthy curls. & : This is a physical curling tool that is reusable and harmless to hair, giving you the freedom to achieve DIY curls with long-lasting volume. : There are 3 sizes of hair rollers to choose from, 10 hair clips and 1 rat tail comb included. To accommodate all lengths of hair include thin hair and various curl shapes. The Joy of satin heatless Achieving Salon-Like Bouncy Waves. - : IENIN rollers are made of nylon, these curler smooth hair without creg, easy storage or on-the-go then create quick beautiful curls.