german company uboot getränke has launched a new cocktail onto the market, thanks to an innovative packaging concept from greiner packaging.the classic &lsquouboat&rsquo is a schnapps glass filled with highproof spirits that is dropped into a glass with soda. previously unavailable in clubs and bars where drinks were dispensed only in bottles, a bold &lsquobottleinabottle&rsquo concept will launch the product to a broader audience.&ldquowe developed a bottleinthebottle concept and mastered the challenge of functionality and product safety.