High-quality leatherette and soft memory foam ensure pleasant wearing comfort FITS: DT 700 PRO X and DT 900 PRO X Headphones Can be replaced quickly and easily in just a few steps To remove the headband, locate the silicone tab on the left side of headphones and gently pull the tab until all the hooks are released. To replace the headband, fit the end with the plastic nose into the notch on the right side of the headphones and gently press all the hooks until they snap into place. Authentic beyerdynamic black headband of the PRO X headphones series