A light box, also called a light tent or shooting box, is a translucent fabric cube. You light it from outside, the fabric diffuses the light, and the product inside sits in soft even light from every direction. For some jobs it is the fastest tool available. For others it actively works against you.
What it genuinely does well
Removes the skill requirement. Even lighting with no harsh shadows, straight away, with no lighting knowledge. For a brand that needs a hundred simple items photographed and has nobody trained, that is real value.
Speed on a big simple catalogue. Hardware, spare parts, stationery, small tools. Put it in, shoot it, take it out, next. Nothing to adjust between products, so the range is automatically consistent.
Cheap. A usable box with LED strips built in costs very little in India.
Kills reflections from the room. The fabric wraps the product in white, so you are not fighting a reflection of your own kitchen in a chrome surface.
Where it hurts
Everything looks flat. Light from every direction at once means no directional shadow, and shadow is what tells the eye an object is three dimensional. Products come out looking pasted onto the background rather than sitting on a surface. For a bolt that is fine. For a skincare bottle it makes the brand look cheaper than it is.
Nothing looks premium. Premium product photography is built on controlled contrast: a bright side, a shaded side, and a defined edge. A light box removes exactly those.
Size limits. Most boxes are small. Anything bigger than a large bottle does not fit.
Reflective products get a white box reflected in them. Solves one reflection problem and creates another. A chrome cap will show you the panels and the seams of the tent.
Colour casts. Cheap boxes have low quality LEDs with poor colour rendering. Reds and oranges suffer worst. Worth checking before committing a catalogue.
The fix that costs nothing
If you already own one, this single change improves the output immediately. Place a piece of black card just inside or just outside one side of the box, out of frame.
That kills the light from that direction and puts a dark edge down one side of the product. The product stops being uniformly lit, gains an edge, and starts to look solid. It is one piece of card and it is the difference between a light box image that looks amateur and one that does not.
You can go further and remove one whole side panel so light comes mainly from one direction, with white card on the other side to fill. At that point you are no longer using it as a light box, you are using it as a diffusion panel, which is what a studio would do anyway.
Should you buy one
Yes if you have a large catalogue of small, simple, non reflective items, nobody trained to light, and the products are functional rather than aspirational.
No if you sell anything premium, anything reflective or glass, anything larger than a bottle, or if the images are meant to make the brand look considered. In that case two lights, two softboxes and a sheet of foam board cost about the same, work on any size of product, and give you control the box cannot. Lighting kits covers what to look for.
The honest position
A light box is a shortcut, and shortcuts are the right answer sometimes. It reliably produces acceptable images and it will never produce a great one, because the thing it removes to make itself easy is the thing that makes product photography good.
If your listings are competing on price and specification, acceptable is enough. If they are competing on brand, it is not. Our studio exists for the second case and works on a courier-in basis from Thane.