①. The travel hair dryer diffuser is made of silicone material, which is flexible and durable. The material is resistant to high temperatures and can heat hair up to 220 °C. ②. The air outlet has a honeycomb structure that fully and evenly disperses heat, dries quickly and adds volume to the hair without damaging it. It is suitable for styling curly and wavy hair. The diffuser is adjustable for children, women and men. ③. The flexible connector fits most hair dryers with narrower bodies and round tips. The diameter of the suitable tips is approximately 1.575" to 1.968" (4 - 5 cm). It is not universal, so be sure to measure the size of your hair dryer before purchasing. ④. Our hair dryer diffuser is simple and easy to install. Simply place the hair dryer diffuser on a table with the connector facing up, align the hair dryer vertically with the nozzle and connector, insert the connector and press firmly to secure. ⑤. The hair dryer diffuser is foldable, small and easy to carry and use for daily travel or business trips. The detachable connector makes it easy to clean stains.