Description Made of silicone, no harsh smell, suitable for curly hair styling, long hair quick drying, stylist styling. This silicone retractable cap has a 4.5CM diameter and is suitable for hairdressers' hair dryers: 4CM-4.5CM. The fan opening should be cylindrical and usable. Features Condition: Item type: Hair dryer diffuser Function: Spreads the heat and air from the hair dryer evenly through the hair. Material: Silicone Diameter: 6cm/2.4 inches Size: 13.8*11.5 cm/5.4*4.5 inches (as shown in the picture) Suitable for: 4~5cm hair dryer nozzle diameter Package includes 1 x hair dryer diffuser Made of high quality silicone, high temperature resistant, no deformation for long term use. Foldable design makes it flexible to use and easier to put in your handbag or make-up bag. With this hairdryer diffuser it helps to spread the heat and air from the hairdryer evenly, which will protect the hair from damage caused by concentrated heat. It is water washable and very easy to clean. Available in 6 colours, you have more choices.