Main Features: Creates beautiful, full, bouncy curls in second with this dryer diffuser that spins your hair like a tornado to dry and curl your hair in same time. It is easy to use and healthier for your hair than curling irons or hot rollers that can burn hair, just like having a hair dryer and curler in one. Twirl a head full of curls in just seconds. The wind spin has 2 directions of curl to choose from. You can rotate the centre piece in the middle to send the wind in different directions to control what direction your curl will turn in. Perfect for days where you showered and don't want to hassle with drying your hair then using other heat styling tools to get nice curls. You can just keep using your dryer. Perfect for lazy days. Made from high quality material to provide a smooth surface, clear colour, superior gloss and long working time. The linear pattern makes it elegant, and the rubber connector makes it easier to catch hair dryers. Please make sure that the blow dryer you are going to match with meets all the following three requirements: 1. The nozzle of the blow dryer is orbicular round shape. 2. The diameter of the nozzle is between 2.01~2.28 inches (5.1-5.8cm). 3. The dryer cylinder tapers toward the end of nozzle. Note: This might work better if your hair is permed or holds curl really well already. For the straight hair without wavy perms, it is difficult to create wavy curls by this Wind Spin Hair Diffuser. The magic hair roller is mainly made of high quality PC material, high temperature resistant, wear resistant and durable, owning long using life span. The magic hair roller is compact and lightweight, convenient to carry out, not occupying much storage space. The magic hair roller is easy to operate. Fix the magic hair roller on your hair dryer, and put your hair on it. Then you can get beautiful hair style. The wind direction can be adjusted. The magic hair roller has three colors available for you to choose freely, including pink, blue and purple. The magic hair roller is designed for hair dryer, whose wind outlet diameter is about 4.5-6.1cm/ 1.77-2.4, perfect for home using.