Fit Most Hair Dryers:Professional diffuser attachment size is sutiable for various of hair dryers(nozzle diameter: 1.65 Inches to 1.77 Inches) 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. Folding Structure:It is easier to put it in a handbag or drawer, suitable for travel or home. Lightweight silicone hair dryer diffuser is helpfulness for you everywhere. KASIBON Heartwarming: The detachable filter net to let the hair dryer direct contact with the hair.essential oil design, let the hair send out natural fragrance.