Oct 21, 2026Buying Guides

Use Aluminum profile led light box to creat a booth or Event backdrop

Modular SEG led light box

Advertising Light Boxes for Trade Show Booth Backgrounds

A Purchaser's FAQ for Overseas Wholesale Buyers (3m × 2.25m Backlit Wall)

If you are planning to source backlit display walls from a Chinese manufacturer for your trade show booth, the four questions below are the ones buyers ask most often. Here is a practical, no-nonsense answer to each.

1. Is a 3m (W) × 2.25m (H) light box easy to assemble?

Yes — very easy, as long as you choose the right construction. For a backdrop of this size, the industry-standard choice is a SEG (Silicone Edge Graphics) fabric light box with an aluminum frame. Here is why assembly is straightforward:

Tool-free design. The aluminum extrusion profiles are numbered and simply snap together with internal bungee cords or push-fit corner connectors. Most 3m × 2.25m walls assemble in 20–40 minutes with 1–2 people, no tools required.

Fabric inserts in seconds. The printed fabric has a silicone strip sewn into its edge; you just press the strip into the groove around the frame. No velcro, no hooks, no wrinkles.

Integrated LED. LED light bars/modules come pre-mounted or slot into the frame, then connect with jumper cables to a power supply (110V or 240V — specify your local voltage when ordering).

Tip: Ask the supplier for numbered frame bars, a printed assembly guide, and a video tutorial before shipping. Reputable manufacturers provide all three. A small number of larger modules (e.g., 1.5m × 2.25m units) is even faster to handle than one giant frame.

2. How is it shipped? Is it easy to disassemble and transport? Is it heavy?

It ships disassembled, and it is lighter than most people expect.

Packing: Everything (frame tubes, LED bars, power supplies, fabric graphic, feet) packs into one or two wheeled hard cases or oxford carry bags. A typical 3m-wide light box case measures roughly 110 × 55 × 25 cm — it fits in a car trunk or rolls into a hall like luggage.

Weight: A complete 3m × 2.25m SEG light box typically weighs 25–45 kg packed (frame is hollow aluminum; the fabric is only ~260 gsm polyester). For comparison, a single packed unit of 3m × 2.5m size commonly runs about 27–40 kg.

Air, sea, or courier freight: Because the packed volume is small (roughly 0.15 CBM per unit), it ships economically by express courier for samples or by sea/air freight for bulk. Sea freight is by far the cheapest for wholesale quantities.

Reusability: You can disassemble and repack it after every show — the fabric is machine-washable and wrinkle-resistant, and the frame is reusable for years. Just order replacement graphics when you want a new look.

3. Can I order modular units and combine them into different layouts myself?

Yes — modular design is exactly how these systems are meant to be used.

Suppliers offer standard module sizes such as 1m, 1.5m, and 2m wide units, all built on the same aluminum profile system. Modules connect to each other with dedicated connector clips, so you can build:

or even a suspended header and freestanding towers.

a U-shaped booth enclosure,

an L-shaped corner,

a straight 3m wall,

Because each module is self-supporting with base feet, you can reconfigure your booth layout show by show without buying new hardware.

Practical advice: confirm with the factory that (a) all modules use the same profile series so they connect with each other, and (b) you receive enough connector clips and jumper power cables for every configuration you plan. Keep the configurations within the frame height limits (usually up to 2.5m per straight section) for stability.

4. Can the factory also print my graphics for me?

Yes — one-stop printing is the norm, and it is usually your best option.

Chinese light box manufacturers almost always run in-house dye-sublimation printing on backlit polyester fabric (typically 260 gsm), which gives vivid, edge-to-edge color and seamless large-format visuals.

Artwork requirements (standard across the industry):

Add bleed (~2–3 cm) and keep logos/text away from the edges

Color mode: CMYK

Resolution: at least 150 dpi at full print size

Format: AI, PSD, or high-res PDF (flattened, fonts outlined)

The supplier will send a free digital proof/mockup for your approval before printing — always insist on this step.

Many factories also offer free or low-cost in-house design service if you only have a logo or a rough idea.

Bonus for a wholesaler: once the frame is yours, reorder replacement fabric graphics only later — this is inexpensive, ships flat in tiny parcels, and lets you refresh your booth branding at every event.

Quick Summary

Question	Short Answer
Easy to assemble?	Yes — tool-free SEG aluminum frame, 20–40 min, 1–2 people
Shipping & weight?	Ships disassembled in wheeled cases, ~25–45 kg for a 3m wall, fits standard freight
Modular combination?	Yes — standard 1m/1.5m/2m modules connect into straight, L-shape, U-shape layouts
Printing by factory?	Yes — in-house dye-sublimation on backlit fabric; provide CMYK artwork at 150 dpi; proofs included

Final Purchasing Tips

Specify your voltage (110V/220V/240V) and plug type for the destination country.

Ask for fire-retardant certified fabric (e.g., B1 / NFPA 701) — many venues require it.

Request numbered tubes + assembly video with every order.

Order one spare fabric graphic to cover damage or rebranding.

Compare quotations on a "kit including frame + LEDs + fabric + case" basis to avoid hidden costs.

With a modular SEG fabric light box system, a 3m × 2.25m illuminated backdrop is one of the easiest, lightest, and most reusable booth investments you can make.