About this item COMPATIBLE WITH: MDR 7506, MDR V6, MDR V7, MDR CD900ST Monitor Headphones. OUR INGENUITY: Adopting high-quality protein leather and high-density foam, our earpads will seal around your ears brilliantly, ensuring excellent noise isolation and enhanced bass. FLAWLESS INSTALLATION: A detailed and step-by-step User Guide is included, making the entire installation easy and fast (usually 5 mins). TIME TO CHANGE YOUR OLD ONES: Your old earpads negatively affect the sound quality of your headphones, while our protein leather earpads will not affect the sound performance of your headphones and make your headphones look brand-new again. Dimensions: 6.93 x 3.62 x 0.98 inches.