Packaging Guide · Custom Packaging Basics

How to Write a Packaging Specification Sheet Buyers Get Quoted From

Most quotation problems start in the same place. A buyer sends a reference photo, a rough size and the words "premium look", and three factories come back with three different numbers, three different structures and three different readings of what "premium" means. The box that finally arrives is often fine — it is the extra revision rounds and the extra weeks that hurt. A specification sheet is the cheapest fix available: one page that turns a wish into a set of decisions a factory can quote, tool and sample against.

This guide sets out what belongs on that page, why each field exists, and the order in which the fields should be locked so the sample arrives as an approval rather than a surprise.

Why the brief decides the outcome, not the factory

A wooden or leather box is built, not printed. Panels are cut, bodies are assembled, wraps are turned by hand, linings are fitted and hardware is set. Every one of those steps inherits a decision made earlier, and a decision that is left vague does not disappear — it gets filled in by whoever is standing at the machine that morning. Two factories reading the same loose brief will make two different, individually reasonable choices.

Nothing about that is a quality problem. It is an information problem, and it is solved on paper long before the first sample is cut. Buyers who work with a written specification sheet usually find that the quotation stage gets shorter and the sampling stage gets sharper, because the discussion moves from "what do you want" to "is this the right call". Our custom packaging boxes overview covers where that sheet sits in the wider project.

A specification sheet is a single page of decisions: what the box holds, how it opens, what it is made from, how it is finished, how the brand appears on it, what is inside it, and how big and heavy the finished unit is. It is written in numbers, material names and references rather than adjectives, and it fits on one page because a page that cannot be read at a glance will not be read at all. It is not a design file, a purchase order or a price negotiation — those come after. The sheet exists to make sure the quotation you compare is a quotation for the same object, and that the sample you receive can be judged against something other than memory.

Field one: what the box holds

Start with the product, not the box. A specification that lists the item's dimensions, weight, material and fragility gives the factory everything it needs to work out wall thickness, insert geometry and protection. A watch box, a jewelry chest and a bottle case all make completely different demands on the same body size, and the difference is almost always invisible to the buyer until the sample lands.

List every item that will ship in the box, including accessories — a cloth, a warranty card, a tool, a spare strap. Items added later are the single most common reason a layout has to be redesigned after the sample stage. If the range will extend, say so now: it is far cheaper to allow space for the second SKU in the first drawing than to reopen the structure in a year.

Field two: structure and opening style

Structure is where most of the perceived quality lives, and it is where a brief is most often silent. Name the opening style explicitly — a lift-off lid, a hinged lid with a stay, a flip-top, a double door, a pull-out drawer, a slide-lid, or a combination such as a chest with a lift-off lid and an internal tray. Each one carries its own hardware, its own clearance and its own closing feel.

Then state the corner treatment: square, softened, or a defined radius. Corner radius is not a cosmetic detail — it decides whether a leather or PU wrap can turn cleanly, so on a wrapped box it has to be set before the body is made. Our custom rigid boxes page covers how structure, wrap and hardware are locked together at this stage.

Field three: material and construction

Decide the body and the surface as two separate lines. For the body, the choice is solid wood, a veneer over an engineered panel such as MDF, or a composite — and the right answer depends on whether the brief prioritises weight and warmth or flatness and consistency across a large run. For the surface, the choice is a lacquer finish, a veneer, a PU wrap or a genuine leather wrap.

Write both down even when one seems obvious, because the surface changes the structure. A wrap adds thickness at every edge, which moves the lid fit, the corner radius and the depth of any recessed hardware. The wider material families behind this — wood, engineered wood, lacquer, PU and genuine leather — are described on our custom wooden boxes and leather pages, and they behave very differently in the hand and over years of use.

Field four: finish, colour and reference

Finish is where adjectives cost the most money. "Dark and luxurious" is not a specification; "high-gloss piano lacquer on walnut, matched to Pantone 412 C, matte interior" is. State the finish family, the sheen level and the colour reference, and add a tolerance — how far the production run is allowed to drift from the reference before it becomes a problem.

Say where the finish matters most. A high-gloss lid shows every fingerprint and every particle of dust, while a matte surface hides handling but flattens figure in the wood. If the box will sit on a retail shelf under lights, or be handled constantly in a showroom, that context belongs on the sheet. Colour and sheen are always confirmed on a physical sample rather than on screen, because tints shift depending on the material underneath them.

Field five: logo, artwork and branding

Name the method, the position and the size. On wooden and leather boxes the realistic options are hot foil stamping, screen printing, debossing or engraving, and a metal or enamel plaque — and each one reads differently on a grained or curved surface. State the finish of the foil, the exact position measured from a named edge, and the intended size in millimetres.

Artwork should arrive in a production-ready vector format. We accept AI, C4D and PDF files, and the earlier those arrive the fewer assumptions have to be made about spacing and stroke weight. If the logo also appears on the inside of the lid, on the insert, or on an outer carton, list each placement separately rather than noting "logo on box" — covered in more depth in our logo finishing guide.

Field six: interior and insert

The interior is what the customer sees when the box opens, and it is the field buyers most often specify last. Describe the layout slot by slot: how many compartments, what each one holds, and whether they are fixed or removable. Then describe what the compartments are lined with — velvet, suede, a leather lining, foam, or a moulded insert — and whether the lining colour contrasts with or matches the body.

Two details make a disproportionate difference. The first is whether the insert can be lifted out, which turns a presentation box into a usable object after purchase. The second is whether any hardware, magnet or ribbon pull will be visible when the lid is open. Both are cheap to decide now and expensive to change later.

Field seven: dimensions, weight, packing and commercial terms

Give outer dimensions, not inner ones, and state the tolerance you will accept — a rigid box built to a hand-applied wrap will always have a little movement, and a tolerance that is too tight will fail perfectly good production. Add the finished weight if it matters, because weight drives freight cost, pallet limits and how the box feels when a customer picks it up.

Then specify the outer carton: how many units per carton, what protection each unit needs, and what information must be printed on the outside. This is the part of the specification that most often goes unwritten and is then improvised at the shipping stage, when changing it is expensive.

Close the sheet with the commercial frame so the quotation can be complete. State the expected order quantity and whether it will repeat, since that decides how much of the setup is worth investing in. Our custom OEM and ODM projects start at 500 pcs per design, with ready-to-ship designs from 50 units per design.

The working rhythm is worth writing down too, because it sets expectations on both sides. Sampling takes about 15 days and includes 3D digital proofing plus 2 rounds of revisions; mass production takes about 30 days after order confirmation. Payment is by T/T with a 30% deposit and the 70% balance before shipment, and shipping is arranged EXW or FOB Guangzhou, with DHL, FedEx and UPS available for express volumes.

The reference table: one page, nine lines

When the sheet is reduced to its essentials, it looks like this. Fill in every row; leave nothing to interpretation.

Product	Every item that ships in the box, with dimensions and weight.
Structure	Opening style, corner treatment, hardware, lid fit.
Body	Solid wood, veneer over engineered panel, or composite; thickness.
Surface	Lacquer, veneer, PU or genuine leather; sheen and tolerance.
Colour	Pantone or physical reference, plus acceptable drift.
Branding	Method, position, size, foil or thread colour, artwork format.
Interior	Slot layout, removable or fixed, lining material, contrast.
Outer	Dimensions, tolerance, finished weight, carton quantity, packing.
Commercial	Quantity, repeat expectation, target dates, shipping terms.

How to use the sheet through sampling

A finished specification sheet changes what the sample is for. Instead of being the first time anyone sees the object, the sample becomes the point at which a set of agreed decisions is checked in the hand — is the gloss where it should be, does the lid close with the right weight, does the pillow hold the item the way the drawing promised. That is what the 3D digital proof at the start of sampling is for: it resolves geometry and layout before anything is cut, so the physical round is about feel and finish rather than about layout.

Send the sheet with your reference images and the conversation starts at the right level. We build wooden, engineered-wood, lacquer and leather boxes under one roof — woodworking, paint processing, hand leather work and assembly — which means a change to a corner radius or a lining colour can be tested on the sample instead of being negotiated on paper. Our packaging sampling guide walks through those fifteen days in detail, and the custom packaging process explains what happens between approval and delivery.

The same five mistakes appear again and again on incoming briefs. Inner dimensions quoted instead of outer. A colour named from a screen rather than a physical reference. A logo described without a position. An insert drawn around today's product only. A tolerance tighter than the material can honestly hold. Every one of those is caught by a single line on the sheet.

If you are unsure about any field, leave it marked as open rather than guessing. An open question produces a recommendation and a reason; a guess produces a sample that has to be remade. Send your product details, your reference images and whatever part of the sheet you already have, and we will come back within 24 hours with a direction and a quotation. LUXPCK has been manufacturing wooden and leather packaging for 18 years and has served more than 3,700 brands, with capacity of 80,000 pcs per month and more than 100 ready-to-ship designs. Certifications include ISO 9001, FSC, CE, RoHS and REACH.

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