Manufacturers description

PA752 Orange Foam Sleeves (5 pairs)
Orange Foam Sleeves for use with SCL2 Sound Isolating Earphones, and E2 Earphones. 5 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.
Choose from (small, medium, large) for the best personal fit:
PA752S - 5 pair, small
PA752M - 5 pair, medium
PA752L - 5 pair, small
Description
SHURE PROFESSIONAL EARPHONES - Consumables
Replacement sleeves, foam, rubber and triple flange tips for the Shure SCL Series personal monitor earpieces.