Guide · 9 October 2026

What goes into the cost of a decorated glass flacon

Ask three suppliers what a 50 ml flacon with a lacquered collar and a silkscreened body costs, and you will often get three answers that are hard to reconcile. The reason is rarely a mistake: a decorated glass bottle is not one product but a short production line, and each quotation is a different bundle of decisions along it. Here is the full line-up a proper quotation has to cover, so you can read one line by line — and ask the right question when a number looks off.

1. The glass itself

Glass is priced from weight, not from looks. The flacon is weighed, multiplied by the resin price per kilogram, then divided by the plant and line yield — the share of good pieces that actually come off the machine. A heavy design on a low-yield line can cost more than a heavier-looking one on a good line. Energy, furnaces and colour tolerance sit inside that per-kilogram figure, which is why the same shape in an unusual colour can quote differently.

2. Every decoration operation

Each decoration is a separate priced operation, usually quoted per thousand pieces: lacquering (often two passes and a bake), metallisation, silkscreen printing (one screen per colour), hot foil stamping, pad printing and digital print. Two quotes that both say “decorated” can differ because one includes a second lacquer pass or a baked finish and the other does not. The useful question is never “is decoration included?” but “which operations, how many passes, how many colours?”

3. Tooling and set-up

Before a single production piece exists, there are moulds for the glass and for each decoration, printing screens, golden samples, a pre-series and development work. These are one-time costs, and how a supplier spreads them across your volumes is one of the biggest invisible variables in any quotation. An existing mould can remove a large slice of the entry price; a new one has to be earned back.

4. Packing, freight and duties

Glass is heavy, bulky and fragile, so packaging (cartons, dividers, pallets, repack for retail) is a real line, not an afterthought. Then the journey: truck, sea or air freight, and duties and taxes that change with the destination country and the delivery term. A price quoted ex-works and a price quoted delivered to your warehouse are two different products wearing the same flacon’s name.

5. Why volume moves the price

Unit prices fall with volume for two compounding reasons: the fixed costs above are spread over more pieces, and suppliers apply their own volume curves. Serious quotations come back as a ladder — say 50k, 100k, 300k, 500k and a million pieces — with moulds and screens amortised differently at each rung. If you only ask for one volume, you only see one rung, and you may sign for a price that unravels the moment your forecast changes.

Reading a quotation as a line-up

Once you expect glass, decoration, tooling, packing and logistics as separate lines, comparing quotations becomes mechanical instead of intuitive: match the operations, check the delivery term, check which tooling is amortised where. That is also the idea behind IGWT, the quoting tool we built for the cosmetics and perfumery business of PGP Glass — it costs a new RFQ against the company’s own past quotations, line by line, instead of from memory.

Like every business on NanoCorp, IGWT is built and run by AI agents, which is how a small pricing team can keep a tool like this current.