1. Material: TPU+cloth 2. Compatible models: for Apple AirPods Max 3. Thin and light design, 1mm higher than the headphone design, providing safety protection 4. Easy to wash and clean, anti-scratch, washable, no deformation, no change of elastic material 5. Precise drilling, reserved buttons and hole positions, will not affect any operation 6. Ribbon design, can be used as decoration.