This product is either discontinued or we cannot get that from suppliers.
Poly Plantronics Spare 60425-01, Ear Cushion, Black, Leatherette, Blackwire C610, C610-M, C620, C620-M Headsets.
The Plantronics 60425-01 ear cushions provide soft, all-day comfort when wearing a Plantronics Blackwire C610, C610-M, C620, C620-M Headsets.