Professional Design - We have personally tailored them to give your ears a comfortable environment, for Sennheiser HD515 HD555 HD595 HD598 HD558 PC360. High Quality and Friendly Use - These ear cushions use soft memory form for noise blocking enhancement and superior leather for ultra soft surface, can providing you comfortable listening experience and longer use. Good Sense of Hearing - Blocking noise from outside with soft foam. Simple Quick Replacement - Cushions align with mounting posts inside the headphone earcups, snap easily into place.