Compatible Models: for Bose A30 Aviation Headset Color: Black Material: Protein Leather As a professional headphone accessories manufacturer, our goal is to provide users with high quality and credible headphone accessories! Easy installation: we will provide the installation tool, no waste of your time. Scientific design: When wearing headphones, the ear cups will cover your ears and will not squeeze your ears. High-density sponge can reduce sound leakage and isolate external noise, bringing you a better listening experience. Tips: Please confirm the headphone model before purchasing the ear cups. If you have any questions or purchase concerns please feel free to contact us, we are willing to listen to your concerns!