The short answer
The bag, for almost everyone. It holds roughly twice as many rolls and occupies space nobody was using. The cart wins in one specific case: you wrap all year and want the rolls standing, visible and reachable without getting on the floor.
Side by side
Published figures for each format | Under-bed bag | Rolling cart |
|---|
| Published capacity | 18 to 24 standard rolls | 3 to 12 rolls |
| Published dimensions | 40.5 x 14 x 6 in | Not published as one figure |
| Space used | Under a bed | Floor, all year |
| Paper orientation | Flat | Upright |
| Crease risk | Real but minor | None |
| Access | Pull the bag out | Wheel it over |
| Ribbon and tape | Interior pockets | Rods and drawers |
The crease, honestly
A roll stored on its side rests along a single line for ten months and paper takes a set. It is real. It is also usually a faint line rather than a ruined roll, and it lands on the outermost layer, which is the part you unroll and discard first anyway.
There is a free mitigation almost nobody does: give the rolls a quarter-turn when you put the bag away, so the contact line falls somewhere different each year. That takes five seconds and removes most of the argument for a cart.
The capacity gap is the real story
Eighteen to twenty-four rolls versus three to twelve. That is not a close comparison, and it is a consequence of geometry rather than design quality: rolls standing upright need floor area per roll, while rolls lying flat nest against each other.
If you own six rolls, this does not matter and the cart is a perfectly reasonable buy. If you own twenty, the cart is not an option and you were never really choosing.
Who should buy a cart
Someone who wraps continuously. Birthdays, small business orders, craft work. In that use the cart's advantage is not storage at all — it is that the whole operation wheels to a table and back, with the tape and scissors traveling with it. That is worth a square foot of floor.
Someone who wraps in the third week of December is buying a permanent object for a temporary job. That is the case where we would say no.
The 40-inch caveat applies to both
Whichever you choose, measure your longest roll. Christmas rolls are commonly 40 inches and everyday rolls commonly 30, and a cart sized for 30-inch rolls will not hold a 40-inch one upright any more than a 37-inch box will hold one flat.
The bag we recommend publishes 40.5 inches of interior length for exactly this reason. The carts we looked at do not publish a maximum roll length at all, which is a gap worth knowing about. Full detail on storage for long rolls.