2 Pairs (4 Earpads) - Genuine Replacement Ear Pads Cushions for SENNHEISER PX100 PMX100 PX80 Headphones 2 Pairs (4 Earpads) genuine Sennheiser replacement Earpads in original manufactures packaging The Ear pads will fit Sennheiser models: PX100, PX100-II, PMX100, PX80, MS80, MS100, HD50, HD50-TV, Koss PortaPro Headphones The Earpads are made in foam with outer diameter approx. 2" (50mm)