This is a 385ml product with extra volume. Cleardew Hydro One Step 385ml x 6 bottles of dissolving/rinsing solution Expiration date: April 2028 or later 4 dedicated cases Please note that neutralization tablets are required. If you would like neutralization tablets, please comment and we can provide them. They are available in units of 30 tablets. The number of rinsing solution bottles can also be changed. The number of cases will be adjusted accordingly. No price negotiations. Instant purchase is possible.