Features: Real universal. Suitable for hair dryers with nozzle diameter: 1.7 inches - 2.2 inches. Can adapt to over 90% different designs of hair blower. Made from high quality plastic material. Good resistance to water and fire. ECO-friendly. Odourlessness. Uses in different direction to blow the hair, dries hair rapidly and softly. It will help you make a lot of beautiful hairstyle. Durable to use and lightweight to carry.