The hair dryers diffuser made of soft, flexible lightweight nylon to keep hair looking healthy, prevent heat damage and control frizz. - Fits any size blow dryer. Size: approx. 11.5x9cm/ 4.4x3.6 inch. - Negative ions reduce static electricity, frizz free and fasting drying. Unique shape provides better overall heat dispersion. Replaces heavy bulky plastic diffusers. - With this diffuser hair dryer, it can help to diffuse the heat and air from the dryer evenly, which will protect the hair from damage of concentrated heat. Prevents heat damage and controls frizz. - Great for quick-drying roller sets and perfect for naturally curly, wavy or even permed hair. - Unique shape provides better overall heat dispersion. - Replaces heavy bulky plastic diffusers. - Prevents heat damage and controls frizz. - Perfect for salon, home use, travel use.