HeadphoneMate Microphone Wind Screen Foam Screen Muff Cover for Bose Aviation Headset X A20 TELEX New version (Aug 2018), Upgrade Material ( raw materials are made in Japan): more soft, stretchable, durable. Customized wind screen for Bose Aviation X, A20 and Telex headset microphones. IT MAY TOUCH YOUR MOUTH LIPS, DO CHANGE THEM OFTEN! Video link: https://www.youtube.com/watch?v=Tbi6X9wt30U