Its a universal hair dryer diffuser that fits most hair dryers from D-1.4 to 2.6 inch(3.5-6.8cm), matches over 99% of the different hair dryer designs on the market. Stunning Hairstyle: You can use it to blow your hair like the professional salon at home, like curly hair minimizes frizz, boosts volume, defines curls, and enhances shine. Youll always have bouncy, bold, and beautiful curls. High Quality: Our hair diffuser using high temperature resistance nylon and PC raw materials, effectively enhance its service life, safe and odorless, no harm to adults and children. It use honeycomb element outlet to ensure uniform distribution of air flow and heat, not only save drying time but also avoid damage of hair due to concentrated heat drying or frizz. Easy to Use: It's so easy to connect the hair diffuser,top of diffuser counterclockwise to enlarge the opening, slip dryer nozzle into hair dryer diffuser and release it, then clip it to the blower. Material: PC Package includes:1 x hair dryer diffuser