Replacement Upgrade Earpads Ear Pads Cushions Cover for Koss Porta Pro PP SP Sporta Pro KOSS KSC35, KSC75, KSC55, KSC50 Headphones Color: Black Durable soft PU and protein foam High elasticity, durable and soft for Koss Porta Pro PP SP Sporta Pro and other models Package Included: Earpad * 2pcs