The team who were the youngest finalists in the competition made Infinito - a range of coffee cup sleeves that sell advertising space while giving to charity.
Marketing manager Couper said they were pleased the idea lent itself to more than one purpose.
"We wanted to raise money for charity and we figured out that the cups, now sleeves, was a good way to raise money for charity and to get businesses out there."
Head of finance Larking said the idea worked well because of the amount of time a cup of coffee is held onto.
"The average person holds onto their coffee for 37 minutes, not only does this mean the primary drinker will see your advert in this time but other people will also see your advert."
Originally, the idea was for coffee cups but after realising the minimum order would be 50,000 cups the team changed their mind.
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