Sqrmekoko Earpads Ear Pads Cushions Replacement Compatible for KOSS Porta Pro Sporta Pro KSC35 KSC75 KSC55 KSC50 Color Black Earpads Ear Pads Cushions Replacement KOSS Porta Pro Sporta Pro KSC35 KSC75 KSC55 KSC50 Headphones Headset Earphone