The Koss Portable Cushion Pack V2 consists of three pairs of foam earpads intended to replace worn cushions on Koss portable stereo on-ear headphones. These foam cushions provide an open, hear-through design to maintain audio clarity while ensuring comfort. The pack is compatible with Koss KSC11, KSC17, KSC75, and Porta Pro headphones, allowing trade buyers to maintain or refurbish headphones efficiently. It offers a practical option for keeping headphones in service with original-style padding.