Shure EA506A Soft Flex Replacement Sleeves (Black) Variety Pack for Shure E2c, E2c-n, E2g, I2c and QuietSpot Headsets Replacement sleeves for Shure E2c, E2c-n,E2g, I2c and QuietSpot Headset models Variety pack includes one pair each small, medium and large sizes Replacing your sleeves often will maximize your listening experience Also compatible with Shure Ict Series items