I use these hot rollers to add curl and volume to my hair. My hair is long and coarse, and it does not hold curl very well. This product works better than any curling iron or other rollers I have tried to achieve the style I want. It has 12 ceramic rollers that are covered with a velvet material to help protect your hair from snags and breakage. The ceramic inside the rollers allow for them to heat more evenly, reducing the chance for it to scorch your hair. After turning the unit on, they heat up in less than five minutes. They are easy to use, but you have to be careful to hold the curler by the very edge, otherwise you can burn your fingers. I take them out after the last curler has cooled. I am left with loose bouncy curls that last for hours. I love that these don't leave my hair dry and damaged after use. The only problem I have with this set is the clips that are used to hold the rollers in place. They are large, u-shaped metal clips that can pop off easily if not applied properly. Also, they don't hold particularly well, so the roller can have a tendency to slip in your hair. Conair makes a travel size of this same appliance which has large, claw like clips to hold the rollers in place. Those clips are more comfortable, and hold the rollers more securely against your scalp. I wish this set also came with those clips. Other than that, I am very happy with this product.