1. Fit Most Hair Dryers: Professional diffuser attachment size is suitable for various of hair dryers (nozzle diameter: D 1.575 Inches to 1.968 Inches) 2. Function: Help to diffuser the heat and air from the dryer evenly, Expand the heat area, avoiding heat damage to hair and keeping your natural curls. Professional Salon Tool for Fine Thick Curly Frizzy and Wavy Hair, Dry and Gain Volume Without Frizz. So you can do a perfect hair style faster and better. 3. Folding Structure: It is easier to put it in a handbag or drawer, suitable for travel or home. silicone hair dryer diffuser is helpful everywhere. 4. Heartwarming: The detachable filter net allows the hair dryer to direct with the hair. Essential oil design makes the hair send out natural fragrance. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.