Check the listing for details. Bose X Aviation Headset Replacement Ear Seals Cushion Kit (PAIR). Condition: New. Listed at 29.95 USD. These cushions are for Bose Aviation Headset X and are made of supple, breathable leather. The specially formulated foam adds comfort and ensures an appropriate seal around ears Easy to replace securely on earcups. Key features:• Specially formulated foam adds comfort and ensures an appropriate seal around ears• Easy to replace securely on earcups; no glue required• Changing cushions recommended every six months or every 350 hours of flightSee our other items for more Aviation gear.About Hobbs FlyerHobbs Flyer is a pilot-owned and operated aviation component manufacturer and retailer based in Minneapolis, Minnesota. We focus on bringing affordable, modern, and insanely comfortable aviation headsets and accessories to the aviation community. Visit our website to learn more.