Amazon.com: Bingle Ear Cushions Foam Replacement for Plantronics Supra Plus Encore and Most Standard Size Office Telephone Headsets H251 H251N H261 H261N H351 H351N H361 H361N (4 Pack)(BEC-FM4): Home Audio & Theater
Amazon.com: 88225-01 Spare Ear Pads by AvimaBasics | Premium Foam Earpads Cushion Compatible with Plantronics Blackwire C210, C220, C310, C310M, C320, C320M, C315, C325, C200's & C300's PC Headsets (1 Pair): Home