Material: The hair dryer cap is made of super soft material 80% polyester fiber 20% polypropylene fiber, soft, comfortable and durable. SIZE: The brim is elastic and stretchable, it fits a child’s head perfectly and is suitable for most children over 3 years old. Reduces hair damage: Using a hair dryer can damage your child’s beautiful hair, but a bath towel will speed it up and protect it from the hair dryer. Hair towels are great for cleaning daily, sports, swimming, yoga, fitness and outings. It is the best assistant for face, bath and makeup. It is suitable for all hair types and lengths.