The full manufacturer's warranty from Shure is only valid when the Shure EA210 Orange Foam Sleeves (5 Pair) is purchased from an Internet Authorized Dealer. We will match any Internet Authorized Dealer's best price on the Shure EA210 Orange Foam Sleeves (5 Pair). The Shure EA210 Orange Foam Sleeves (5 Pair) may be referred to by the following terms: 042406132749, 042406132756, 042406132763, EA210L, EA210M, EA210S.