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The sample arrives in 11 days and the approval takes six weeks. In most programs we run, sampling is the fast part and the decision is the slow part, and the delay lands directly on the production window. Working with a laptop bag custom factory gets easier once every round has a stated purpose, a named approver, and a date, because a round without those three produces another round.
Each Round Has One Job
Buyers often ask for a sample and then evaluate everything about it at once: shape, colour, stitching, logo, packaging, weight. That produces a comment list with thirty items, half of which are cosmetic and several of which contradict each other.
The alternative is to give each round a single question.
Round one asks whether the shape and proportion are right. Round two asks whether the detail is right: hardware, logo, lining, internal layout. A pre-production sample asks whether the agreed specification can actually be built in the factory, on the line, with the material that has arrived.
When a program runs three rounds it is usually because round one was asked to answer all three questions, failed at one, and started again.
Round One: Does The Shape Work
The first physical sample comes 7-15 working days after the tech pack and the material selection are settled. Before it exists, a 3D sample can resolve proportion questions in a couple of days, and it is worth doing when the silhouette is new to the buyer.
What round one can answer: proportion, panel breakup, opening position, handle height, and the overall read of the bag as an object. What it cannot answer: fabric hand, real colour, and how the bag carries when loaded. A photograph of a 3D render flatters a bag in a way that a sewn sample does not, which is why we do not let a render become the approval.
The useful check on round one is comparative. Stand the sample next to the bag it will replace, or next to the competitor's bag named in the brief. Proportion errors show up immediately in that pairing and are almost invisible when the sample is judged alone on a desk.
Round Two: Does The Detail Work
Round two is where the decisions that cost money live: hardware finish, logo method and size, zipper type, lining colour, internal pocket layout, strap and pad specification.
Two things make this round converge. The first is a comment sheet with a fixed list, so the buyer's team comments on the same six items rather than in free text. The second is a strike-off or a small trim card showing the logo and hardware as physical objects, rather than a description.
Our comment sheet lists shell colour, lining colour, logo method and size, hardware finish, internal layout, and packaging. When it comes back signed by two names rather than one email from one person, the second round usually closes without a third.
Revision rounds take 10-14 working days. That number is the one that breaks schedules, because three rounds is a month before the purchase order even opens.
One more artefact belongs at round two: a cost sheet. When a buyer changes a zip brand or adds a metal pull, the per-unit effect is small and real, and a round that does not carry its price impact forward ends in a negotiation at PO stage. We list the cost of each approved change beside it, so the approved sample and the approved price describe the same bag.
What A Laptop Bag Custom Factory Needs Before Each Round
A factory can only build what it has been told, and the gaps usually sit on the buyer's side of the table.
An approved tech pack with measurements and tolerances, not a sketch with notes
Material selection confirmed against a physical swatch, not a screen colour
Logo artwork as a vector file, plus the approved placement and size in millimetres
Hardware selection from the factory's available range, or a sample supplied by the buyer
One named approver, and a date by which the comments will arrive
The order quantity and colourway split, because sampling a colourway that will not run wastes a round
That last item sounds administrative and is not. We have built a sample in a colour that the buyer's finance team later removed, which cost a round and a fabric minimum.
What the sample cannot tell you
A sample is a bag built with extra attention by the best people on the line, using material from the roll that happened to be open. It proves the design can be built. It does not prove that the bulk will match, because bulk runs on a schedule with different operators and a different roll.
That gap is why the sealed standard exists. At approval we seal two identical golden samples, sign and date both, keep one in our sample room and ship the other. The measurement sheet from approval travels with it. Any bulk dispute is then resolved against an object rather than a description.
It is also why we photograph the approved sample against the tech pack measurement lines, with a rule in shot. A photograph with a scale answers questions in month four that a bare photograph cannot.
A Sampling Plan Sheet
Build the plan with these lines and the rounds stop multiplying.
Round zero: 3D sample, 2 to 4 days, proportion only
Round one: first physical sample, 7-15 working days, shape and proportion
Round two: revised sample, 10-14 working days, detail and trim
Pre-production sample: 5-8 working days, confirms buildability with production material
Sample fee: 60 to 120 USD per round, refundable against an order above 1,000 pcs
Comment format: fixed six-item sheet, signed by the approver
Approval artefacts: sealed golden sample, measurement sheet, scaled photographs
Colourways sampled: only those that will run in bulk
Testing on sample: abrasion, seam, and hardware pull where the program requires
Bulk start: after approval and deposit, 25 to 30 working days
Buffer: 10 working days between approval and bulk start for logistics
That refund line is worth understanding rather than arguing about. A sample fee covers material and a share of labour, and a factory that refunds it at 1,000 pcs is signalling that it expects a real order rather than a free sample.
What the buyer sees when the sample opens
From your side, the sample is judged in about ninety seconds, and the parts that decide it are rarely the parts on the tech pack. The bag either stands up or it does not, the colour either matches the swatch or it is close but wrong, and the strap either feels like something you would carry or it does not. Those three reactions are the worth of the round, and they should be written down in the same six-item structure so the next round can be built from them.
Approve Against An Object, Not A Memory
Send us a tech pack, a swatch, and your artwork, and tell us who signs off and by when. We will return a sampling plan with the rounds, the fee, and the dates, and we will seal a golden sample at approval so the bulk has something specific to match.
Contact [email protected] or visit www.tianqinbag.com to request samples, get a factory quote, or start an OEM/ODM project with Quanzhou Tianqin Bags Co., Ltd. Sampling lead time is 7-15 working days, and the golden sample is sealed and shipped with the approval paper. Seventeen years of bag manufacturing in Quanzhou, exports to more than 50 countries, SGS test reports covering REACH, CPSIA and Prop 65 on request.
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