Universal Type(1.5 inch to 2.4 inch) Features: 1.ABS material is environmentally friendly, durable, odorless, safe, and has high heat resistance. 2.The silicone pad which is located inside has anti-scratch and anti-slip effects to well protect your hair dryer. 3. Protect your hair from concentrated heat to make your hair softer and less frizzy, while saving styling time. 4. Easy to use and store. Suitable for any type of hair, such as natural curly hair and straight hair. 5. Save time and make hair drying faster. Package Includes 1 x Universal Hair Diffuser 1 x Shampoo Brush