Replacement ear pads and microphone sponges for conference headsets and headphones. Compatible with Logitech H111 headsets, etc. Brand new, unused. Ear pads (2) - Diameter: 50mm - Inner diameter: 30mm Microphone sponges (2) - Length: 20mm - Inner diameter: 5mm - Width: 15mm Both are made of sponge and are stretchable. If the sponge on your current headset is worn out and you want to replace it, how about these? Ear pads, replacement pads, microphone sponge, microphone, replacement, 50mm