. The soft foam surface can protect your hair from breakage, after 60 minutes or more, remove the curling iron and you will get attractive curls; if your hair is brittle or rough and prone to tangles, this flexible rods for hair is your good choiceEasy To Use: use a comb to separate a small strand of hair, insert the curling rod into the end of the hair, roll the curling iron towards the scalp, then bend the end of the hair flexi rods to fix the hair in place, dry the hair with a hairdryer, you can get charming curly hair. You can create a variety of different curl effects by adjusting the direction in which the curls start. Sleep in comfort with these twist foam hair rollers and remove them easily the next morning.High Quality Material: Our heatless curlers hair rods is made of high quality rubber, flexible, durable and lightweight, will not damage your hair, smooth surface will not pull your hair, free from breakage. The heatless curling rod can bring you an easy and safe user experience. You can even use it while sleeping.