With Hai Flat Irons having so many different features, it has been classified as the best flat iron in the industry by consumers. For its size, it has been said to be a little on the heavy side. The Hai Flat Irons are well known for quick and instant results. It is ready to be used in around 25 seconds and comes with variable temperature settings. Not only that, but a Hai Flat Iron is designed to accommodate many different hair types and hairstyle. Unfortunately, there is no automatic switch to cut the power. When somebody goes for a hair flat iron, there are a number of things to keep in mind. First is size and weight of the tool. It shouldn't be so small that you spend hours sectioning and straightening your hair. HAI Flat Irons have a user friendly design to make them less tiring and more manageable.