Material: Top quality of Protein leather and Memory foam Compatible for Panasonic RP-HTX7 HTX7A RP-HTX9 Headphones 100% brand new and high quality Durable and soft, Easy Installation As we know, most of the earpad of headset are made of leather or Velour, which are very difficult to clean, however, if not be cleaned for a long time, the earpads will be polluted by the secretions of face, it is horrible for a music fan hearing misic with a dirty and full of bacteria headphone, so we highly recommend to replace the earpads every three to six months.