About this item COMPATIBLE WITH: WH-H900N & MDR 100ABN Noise Canceling Over-ear Headphones only. OUR INGENUITY: Adopting high-density memory foam and high-grade protein leather, our earpads will seal around your ears brilliantly, ensuring excellent noise isolation and enhanced bass. Enhanced Sound: Your old earpads negatively affect the sound quality of your headphones, while our precisely modeled earpads will not affect the sound performance of your headphones and make them look brand-new again. FLAWLESS INSTALLATION: Besides the earpads, you will get a plastic stick, making the entire installation easy and fast (usually 3 mins). Size: 7.76 x 5.24 x 1.18 inches.