Or, about three or four
folding step ladders. Perhaps some Tiki torches, a three leg Dutch oven stand, a Lantern stand, camera tripods, brooms, mops, brushes, etc.
I'm surprised a salesman didn't emphatically point out that huge "feature". When I was shopping for a motorhome, (regardless of brand or model), they NEVER missed a single opportunity to point out pass-through storage, even if it was only big enough for a broom handle.