Flexible wrap-around design for an easy, user-friendly installation. Made of practical impact-resistant silicone rubber. It brings super thin feelings, and offers wonderful grip. It perfectly matches with your AirPods shape. Plus with anti-slip bars on the two sides. It is the most secure and slim way to carry your AirPods around. The case will not get deformed after taking it off and putting it back on many times because it is highly flexible and can against bumps.