According to the boxes, the cruisers size 7 are for babies/kids weighing up to 41 pounds. Usually that also implies more absorbency, however the Baby dry diapers are night time diapers which actually implies more absorbency, but they are rated for baby/kids up to 35 lbs. So in the end they are both probably just as absorbent, but if you are looking for 'biggest' by size, and are one of the rare people that can actually fit in one, then you should get the cruisers, because they will probably be better at fitting on your waist.