ALL Bubly Sparkling Water varieties (8 pk. 12 oz. or 10 pk. 7.5 oz. mini cans) are Buy One Get One FREE! The 8-pack cans are $3.69 each, so when you buy two, you'll pay just $1.85 per pack! The 10-pack mini cans are $4.59 each, so when you buy two, you'll pay $2.30 per pack!
The 8-pack 12 oz. can packs actually work out to be a better price per ounce, so get those for the most bang for your buck! :)