About this item COMPATIBILITY: Fit perfectly on WH-XB910N EXTRA BASS Wireless Bluetooth Noise Cancelling Headphones. Please confirm your headsets model before purchase. ENHANCED SOUND: By adding High-density memory foam, our earpads will comfortably conform to your ear without affecting your headphones' sound performance or noise cancellation. RUGGED DURABILITY: We added stitching and mighty glue on the inside seams of each earpad to prevent them from splitting. What's more, our thickened earpads will never go flat and cause discomfort to your ears as time goes by. FLAWLESS INSTALLATION: Besides the earpads, you will get a detailed user guide, making the entire installation fast and pain-free (usually 5 mins). Dimensions: 7.52 x 5.24 x 1.1 inches