MEDICAL GRADE STAINLESS STEEL AND ANTI-RUST: All ear picks are made of medical grade stainless steel, durable and anti-rust, easy to clean and sterilize. They're extra durable in use and not easy to distort. ERGONOMIC DESIGN: Fully polished tools with smooth and rounded surface, all to prevent any irritation or scratching and make sure you can massage the ear canal and relieve itching while cleaning. The handles of the ear pick tools are designed for a non-slip grip.