Feature 1Finger Hole: The diffuser has finger holes that allow air to flow evenly around your curls, reducing damage and creating soft and good looking waves. 2Easy To Install: Hair diffuser can effortlessly create curls and volume without damaging your hair, which gives you a better hair style and you will look beautiful. 3Suitable For Salon: Universal hair dryer diffuser is compatible with most hair dryers with a nozzle diameter of 2.17 inches, perfect for home and salon use. 4Reduces Frizz: Universal hair diffuser attachment saves time and reduces frizz, creating perfect curls quickly and effectively, perfect for curly and wavy hair. 5PC: Constructed with durable ABS material, curly hair diffuser is able to withstand daily wear and tear for long lasting use, and it has a long service life.Item Type: HairDryerDiffuserMaterial: PCInner Diameter: Approx. 7cm / 2.8inOuter Diameter: Approx. 11cm / 4.3inBottom: Approx. 16.5cm Height: Approx. 12.5cmCharacteristics: Increased caliber, express heat dissipation, air volume adjustment, 3D styling, drying curls, good compatibilityProduct Use: Home, hairdressers .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x HairDryerDiffuserNotePlease allow 1‑3cm error due to manual measurement. Thanks for your understanding.