Perfect can transportation! - with the Mr. Serious 12 Pack This black 12-bag from Mr. Serious is particularly light, practical and discreet. This carrier bag has it all: you can use it to safely transport 2 6-pack cartons of cans (whether 400ml or 600ml). The soft lid has a separate compartment with a Velcro fastener and space for small items. The 4 cm wide carrying straps are particularly adaptable and fit comfortably in any hand shape. This bag is also suitable for other occasions.