Notes for owners · Industry playbooks
Plastic packaging buyers: who decides on the container, and what each one checks
A plastic container is approved by the brand owner, the packaging or production head, quality and purchase. Ask early who signs off, and send each one the thing they judge you on.
The GullySales team · Updated 17 Oct 2026 · 5 min read
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A common story: the purchase manager says the price is fine, and then nothing happens for weeks. In plastic packaging, the container is approved by several people who never read your quotation. The brand owner cares how it looks on the shelf. The packaging or production head needs it to run on the filling line. Quality checks it against a specification. Purchase negotiates the price and the second source. Ask early who signs off, then send each of them the thing they judge you on: a mock-up, a trial lot, a specification sheet or a price.
Who has a say, and what each one checks
A container sits between a product and a shelf, so several people touch the decision. Each looks at a different thing, and none of them sees the whole.
The brand owner, or the marketing head in a larger company, decides whether it looks like their brand. Shape, colour, the feel in the hand and how the label sits.
The packaging development or production head decides whether it works. Will the neck take the cap they already buy? Will it run on their filling and capping machines at their speed? Will it survive the drop from a loaded truck?
Quality decides whether every lot will match. Weight, wall thickness, the neck dimensions, leak and top-load results.
Purchase decides on price, payment, minimum quantities and whether you can be a second source to the supplier they already have.
Where the brand uses a contract filler, the filler's production head joins the list, because your bottle has to run on that line.
The sign-off map
Fill this in for every new-container enquiry before you quote anything beyond a budgetary figure.
| Who | What they decide | What to send them | How you will know they approved |
|---|---|---|---|
| Brand owner or marketing head | The look: shape, colour, label panel | Shape mock-ups, or a sample in the right colour | A chosen mock-up, in writing |
| Packaging or production head | Fit with cap and line, strength | Neck drawing, samples with matching caps, a trial lot | A passed line trial |
| Contract filler, if any | Whether it runs at line speed | Trial lot, cap details, your contact on the day | The filler's trial report to the brand |
| Quality | Lot-to-lot consistency | Specification sheet with tolerances and test methods | A signed specification |
| Purchase | Price, payment, quantities | Quotation, with mould cost options for stock and custom shapes | A purchase order |
The last column matters. A container is approved when each of those things exists, not when one person says "looks good".
Ask who signs before you quote a new shape
A stock bottle can be quoted to purchase alone. A new shape cannot, because a mould will be cut for it and the brand owner has not seen it yet.
So on the first call, ask:
- Apart from you, who will look at the container before it is approved?
- Is it filled in your own plant, or at a contract filler?
- Which cap will it carry, and on which capping machine?
- Who decides on the shape: the owner, a brand team or a design agency?
Write the names against the enquiry. If purchase cannot tell you who approves the look, the shape is not decided, and a firm price for a custom mould is premature. Those four questions are lead qualification in a packaging shop.
Mock-ups for the owner, samples for the line
Send each person their own evidence, and do not mix them. A brand owner shown a neck drawing will not read it. A production head shown a glossy render will ask for bottles.
For the owner, two or three shape mock-ups, in the expected colour, with the label area marked. For the line, bottles with the caps they will wear, enough for a real trial run. For quality, a specification sheet to sign. Purchase gets the quotation last, once the others have narrowed it.
If the product is a chemical, a food or a medicine, container and label rules apply that differ by product and body and change. The brand's own adviser settles what applies; your job is to state accurately what your container is made of.
A floor cleaner bottle that purchase liked and nobody else had seen
Imagine a blow moulder in the Cherlapally industrial area of Hyderabad, making HDPE and PET bottles, approached by a home-cleaning brand in Vijayawada launching a floor cleaner.
The moulder dealt only with purchase and quoted a light stock bottle at a sharp price, and purchase liked it. Then the brand owner saw a sample and said it looked like every other floor cleaner. Weeks later, the contract filler's production head found the neck did not suit the caps their capping heads were set for. Nobody had asked the filler. The enquiry stalled, and a rival who had met the packaging head early took the order with a custom shape.
When the same brand came back for a toilet cleaner bottle, the moulder asked the four questions on the first call. The moulder sent the owner three shape mock-ups with an angled neck, and the filler's production head neck drawings and a trial lot with the actual caps, and was on the phone during the trial. Quality got a specification sheet. Purchase received a quotation with two options: a stock bottle with a new cap colour, and the custom shape with its mould cost shown separately. The owner chose the custom shape, and the line trial had already passed. In this invented case the mould cost pushed the first order's price per bottle above the stock option, and the brand cut its first run to half the quantity it first discussed.
When one person decides
Skip the map for a small brand where the founder chooses the shape, fills the bottles and pays the bill. Talk to the founder and nobody else; our note on selling packaging online to small brands covers that flow. Skip it, too, for traders buying stock containers on price, where purchase really does decide alone. Mock-ups for them are wasted work.
Your next packaging enquiry
Draw the sign-off map for the largest container enquiry you have open, and mark every row where you have no name. That row is your next call. Reaching the people behind the purchase desk is a job for qualified business introductions. Packaging is one of the kinds of work described under plastic manufacturing. If you would like the map built into your enquiry routine, tell us what you need.
