EARPADS SIZE: 58mm/2.28in(overall diameter), 34mm/1.34in(inner hole diameter), 21mm/0.83in (outer hole diameter), 14mm/0.55in(thickness). Please note our earpads size and your headphone size before buying. For more specific information, you can also CHECK the FOURTH picture about the product size. COMPATIBLE MODELS: NOT for Jabra Evolve 20 30 40 65 75 and Evolve2 Series. ONLY COMPATIBLE WITH SOME SPECIFIC HEADSETS MODELS LISTED IN DESCRIPTION. Some specific models from Plantronics Supra Plus Encore HW251N HW261N HW510 HW520 Blackwire C225 C310 C320 3210 3220 3310 3320 3315 3325 and Jabra PRO 920 930 935 9450 9460 9465 9470 BIZ 620 1100 1500 1900 2300 2400II GN 1900 2000 2100 2025 9120 9125 UC Voice 550 750MS 550A, etc. For other headsets, please consult us for Compatibility Guide. A PERFECT FIT: These 58mm/2.28in headset ear cushions replacement ONLY fit headsets Plantronics Jabra Yealink YHS33 Series Sennheiser SC 60 USB ML SC 75 SD Pro2 Leitner LH270 LH275 VXi Blue Parrott B250-XTS TruVoice HD-500 IPD IPH-160 Cyber Acoustics AC-104 AC-204 AGPTEK Arama MAIRDI Wantek VoiceJoy Office Headset and Most standard size headphones perfectly with the same specification. For compatibility list in details, please refer to description below. PACKAGE INCLUDES & WARRANTY: 10 Pack Earpads + 5 Pcs free Mic Windscreen foam covers as gifts in the package (Headphone no included). Your purchase is backed by our 45 days free replacement or full refund and 12 months warranty SOFT & DURABLE & EASY TO INSTALL: These soft and breathable headset earpads fit comfortably over your ears and have strong durability to install for extending the life of some very good headphones. No special tools required, these headphone foam replacement pads are easier to be replaced with a few seconds to renew your headset completely! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin