Posters are the most commonly ruined item in a K-pop shipment, and the cause is almost always that they were folded to fit a box rather than damaged in transit. A poster folded once is permanently creased. Deciding how yours travels is something you have to specify before the box is packed.
Why stores fold posters
Korean retailers ship pre-order posters folded into the album package by default, because it is cheap and domestic delivery is short. The fold is applied at the store, not by the forwarder, which means the crease already exists by the time the item reaches a Korean warehouse. If you want a poster unfolded, that has to be requested at purchase where the store offers it.
When a tube is worth it
A cardboard mailing tube adds roughly 200 to 400 g and takes up dimensional space that can push a shipment into a higher volumetric bracket. For a poster worth a few dollars, that is a bad trade. For a limited edition print or a signed piece, spending 8 to 15 USD on tube shipping to preserve full value is obviously correct.
The flat-pack alternative
For posters up to about A2, a rigid flat pack between two sheets of stiff board is lighter than a tube and avoids the curl that tubes introduce. It only works if the outer box is large enough to hold the poster flat, so it pairs well with a shipment that already contains photobooks or apparel.
Volumetric weight is the hidden cost
A tube 8 cm across and 70 cm long occupies far more space than its weight suggests, and air freight bills the greater of actual and volumetric weight. A near-empty poster tube can be charged as 3 to 4 kg. If you are sending a tube, fill the remaining length with other rolled items rather than air.
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Start a buy-for-me order →Frequently asked
Can a folded poster be flattened?
Partially. Weighted flattening over several days reduces the visual crease but never removes it, and the fiber damage remains visible under angled light.
Do all pre-order posters come folded?
Most do. Some stores offer an unfolded option at checkout or ship posters rolled separately, so check the product page rather than assuming.
Is a tube safe from crushing?
Rigid kraft tubes with end caps hold up well. Thin-walled tubes crush at the ends, which damages the poster edges, so the tube quality matters more than the fact that it is a tube.