30mL bottles have been used for the Truly brand to allow end-consumers to mix-and-match flavors, or simply buy easy-to-carry portions of their favorite liquids without paying more per mL than traditional 60ml bottles.
Recommended To Be Sold In Bundles (examples below)
3 for $20
5 for $30
7 for $40
Single Bottle MSRP - $7.99