Compatibility: Compatible with WH-XB900N, WH-CH710N Headphones. Please confirm your headset model before purchase. Enhance the Sound: Adopting the high-grade protein leather and the high-density foam, our earpads will seal around your ears brilliantly, ensuring you excellent noise isolation and extreme comfort. Comfortable Material : Our Earpads use more comfortable sponge and protein leather to ensure that the Headphones Cushions are more ergonomic and comfortable to use all day without any problem. Flawless Installation: Our accurately modeled ear pads perfectly fit your headset base. The entire installation process will be completed within a few minutes. NOTE: Your old ear pads will have a negative impact on the sound quality of the headset. Why not buy our new Street27 ear pads to make them look brand new again.