NSEN Replacement Earpad Ear Pad Cushion For Koss Portapro Portable Pp Dj Headphones Compatible For Koss Portapro Portable PP / Classic PP DJ Headphones The ear foam will enhance the bass performance of your headphone Material: Made of High Quality soft comfortable leather & foam Makes your wearing more cozy and comfortable,enjoy your stereo music to the fullest Quantity:1 pair of black earpad