Veles-X EPKPP ear pads are suitable for KOSS models: Porta Pro, Porta Pro Wireless Bluetooth Headsets. They are designed to replace old, worn ear pads and bring your headphones to a newer state. They are made of soft and supple protein leather. The shiny appearance and incredibly soft feel can easily be mistaken for genuine leather. With incredible durability and unbeatable comfort, you might like it even more than real sheepskin. They are lined with a comfortable and thick layer of memory foam that perfectly isolates unwanted ambient noise, increases comfort and the sound background. The package contains 2 pieces of ear pads wrapped in antistatic packaging. Color version: black.