Material : Hearing Aid Brush is made of plastic, lightweight and small, and high density brush hair can clean wax and clean debris quickly and entirely, which do not scratch hearing aids. Convenient to use : This hearing aid cleaning kits are 7-in-1 design, making cleaning so much easier and less complicated, also convenient to carry with when you go travel. Application: Suitable for different types of hearing aids. Package : 5pcs hearing aid cleaning brush and 1pc cleaning cloth Function : Frequent cleaning of hearing aids will help it work more efficiently and prolong their lifespan