hi,
we have the 'big' akona roller (31x21x14).
i fit the following in it for checked baggage:
(2) pair fins, (2) sets booties, (3) masks, (2) snorkels, (2) BCD's(seaquest diva lx and balance), (2) 3mm or 5mm wetsuits - depends on trip, (2) pistol lights, (4) other small lights, (2) pair gloves, (2) sausages, (2) hoods, (1) vest, "spares and repairs" kit (medium sized, multi-compartment toiletries bag), extra ziplocks, batteries and garbage bags.
i fit it in as follows:
fins (one facing blade down and one facing blade up) into the side pockets, with small lights in each foot pocket, 1 pair booties on top of the fins in each side pocket. masks and snorkels in "padded reg bag" in lower front pouch. fold wetsuit in 1/2 vertically, roll up pistol light in wetsuit, place inside BCD with releases open to wrap snugly around wet suit. BCD/wesuit/light packages go into the bag facing horizontally. gloves, sausages, hoods, vests, batteries and spare zippy's/garbage bags tucked into free spaces around BCD packages. the 'spares and reparis' kit goes in the upper pocket on the front of the bag.
thats it.
lorien.
ps. this bag has survived 3 trips to the Atlantic and 3 to the Pacific/S. Pacific.