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A convention tube must be long enough for the rolled print, wide enough not to crush a stack, and practical to carry all day. The true telescoping tubes come first for rolled paper posters; the remaining picks are deliberately labelled flat-case alternatives for signed prints, rigid boards, or anything you should not roll.
| # | Product | Price | Where to buy |
|---|---|---|---|
| 1 | U.S. Art Supply DT-936 telescoping poster tube | $20–$30 | Amazon |
| 2 | Pacific Arc Expandable Poster Storage Mailing Tube | $16–$30 | Amazon |
| 3 | U.S. Art Supply DT-118 extra-large telescoping drafting tube | $55–$65 | Amazon · eBay |
| 4 | U.S. Art Supply DT-119 extra-large telescoping drafting tube | $65–$80 | Amazon |
| 5 | U.S. Art Supply DT-120 jumbo telescoping poster tube | $90–$110 | Amazon |
| 6 | 1st Place Products Professional Art Portfolio Case 24 x 36 | $55–$70 | Amazon · eBay |
| 7 | Star Products Classic Red Rope Portfolio 24 x 36 | $25–$35 | Amazon |
| 8 | Art Alternatives Double Pocket Soft Side Portfolio 24 x 36 | $40–$55 | Amazon |
| 9 | Tranzporter Portfolio Case 24 x 36 | $165–$185 | Amazon · eBay |
| 10 | Baroque Portfolios Deluxe Poster and Print Storage Portfolio 24 x 36 | $175–$195 | Amazon |
The picks, in detail
U.S. Art Supply DT-936 telescoping poster tube
True tube tier: a compact hard-plastic carrier for smaller rolled convention prints and posters.
- adjusts from 25 to 42.5 inches
- 2.875-inch internal diameter
- rigid plastic body
- shoulder strap
- compact collapsed length
- twist-lock adjustable body
- not wide for a large stack
- rolled-paper use only
Pacific Arc Expandable Poster Storage Mailing Tube
True tube tier: choose the 3.75-inch by 29-to-48-inch configuration when a 36-inch poster needs room beyond its nominal edge.
- 29 to 48 inch telescoping version
- 3.75-inch diameter version
- hard plastic
- twist-lock and adjustable shoulder strap
- several size formats
- carrying strap included
- confirm the selected size before ordering
- not for flat boards
U.S. Art Supply DT-118 extra-large telescoping drafting tube
True tube tier: broad 6.625-inch internal clearance and a 32-to-52-inch usable range suit a rolled poster stack or bulky art prints.
- 32 to 52 inches
- 6.625-inch internal diameter
- rigid plastic
- locking cap
- wide internal clearance
- long enough for many large posters
- bulkier than standard tubes
- rolls prints rather than keeping them flat
U.S. Art Supply DT-119 extra-large telescoping drafting tube
True tube tier: the 42-to-62-inch model is for oversized rolled convention banners or posters that outgrow ordinary 36-inch carriers.
- 42 to 62 inches
- 6.625-inch internal diameter
- rigid plastic
- shoulder strap
- long range for oversized rolls
- large-diameter interior
- awkward on crowded aisles
- too long for small prints
U.S. Art Supply DT-120 jumbo telescoping poster tube
True tube tier: a very large 9.75-inch internal diameter tube for bulky rolled displays, foam-backed flexible sheets, or a substantial print stack.
- 36 to 62.5 inches
- 9.75-inch internal diameter
- rigid plastic
- telescoping body
- largest capacity in this list
- long maximum length
- large carry footprint
- not a substitute for a flat portfolio
1st Place Products Professional Art Portfolio Case 24 x 36
Flat-case alternative: carry a 24-by-36-inch print flat when signatures, fragile media, or a rigid sheet make rolling a bad choice.
- 24 by 36 inch format
- padded case
- flat carrying format
- carry handles
- avoids curl from rolling
- better for signed prints
- not a tube
- takes more space in a crowd
Star Products Classic Red Rope Portfolio 24 x 36
Flat-case alternative: an inexpensive fiberboard portfolio for transporting large paper prints flat, not for maximum crush or rain protection.
- 24 by 36 inch capacity
- fiberboard construction
- red-rope closure
- woven carry handles
- flat transport
- simple low-cost format
- not waterproof
- limited impact protection
Art Alternatives Double Pocket Soft Side Portfolio 24 x 36
Flat-case alternative: a soft-sided 24-by-36 portfolio for posters and artwork you want unrolled while walking a convention floor.
- 24 by 36 inch size
- soft-sided construction
- double pockets
- flat artwork carrier
- keeps prints flat
- separate pocket layout
- soft sides need careful handling
- not suitable for a rolled banner
Tranzporter Portfolio Case 24 x 36
Flat-case alternative: a durable Cordura carrier with securing straps and a detachable shoulder strap; add a suitable substrate if the contents need more rigidity.
- 24 by 36 inch size
- 1000-denier Cordura nylon
- hook-and-loop interior straps
- detachable shoulder strap
- designed for flat boards and prints
- wide gusset for a stack
- soft case rather than hard shell
- premium cost
Baroque Portfolios Deluxe Poster and Print Storage Portfolio 24 x 36
Flat-case alternative: a sleeve-based portfolio for convention art that needs to stay flat, dust-protected, and ready to show rather than rolled into a tube.
- 24 by 36 inch sleeves
- 20 double-sided archival polypropylene sleeves
- zippered closure
- shoulder strap and handle
- stores many prints flat
- archival sleeve approach
- costly for casual carrying
- not designed for rolled posters
Buying tips
- Measure the longest edge of the print after allowing a little clearance for end caps; a tube’s outside length is not automatically its usable internal length.
- Use a true tube only for prints the artist or printer says may be rolled. Signed, painted, mounted, or creased-sensitive pieces belong in a flat carrier.
- At the convention, cap the tube before setting it down and keep a flat case upright or supported so other attendees cannot bend its contents.
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