Shure PA750 10 pairs of yellow foam sleeves.

 Foam sleeves for SCL3, SCL4 and SCL5 Sound Isolating Earphones, as well as E1, E3, E4, E5 Earphones (10 pairs).

These reusable, disposable foam sleeves compress to fit gently into the ear. Once in the ear, the foam expands to form a tight, yet comfortable seal that holds the earphones firmly in place.