Home › Field notes › RFQ Checklist for Modular Backpack Programmes: Fields From ID to CBM

Modular Bag Pro · 2026-10-11 · 2,321 words · 11 min read

A modular backpack RFQ is complete when a single submission answers five blocks — programme identity, construction and materials, modular interface geometry, compliance and testing, and commercial terms including carton cube — so a quote can be returned in 24-48 hours without a follow-up round. Missing fields are what turn a 24-48 hour quote into a week of clarification. Programmes start at a 500-unit floor per reference, sample in 6-10 working days and run 35-50 days in bulk, quoted FOB Xiamen and released against AQL 2.5 inspection. Coverage here is civilian carry only: hiking packs, commuter bags, worksite tool carriage and first-aid kits. Enquiries about weapon carriage, ballistic protection or military certification claims fall outside the checklist.

Why Modular RFQs Stall on the Identity-to-CBM Chain

An enquiry for a conventional bag can survive gaps, because there is little that has to line up with anything else. An enquiry for a modular programme cannot, because the host bag is only half the product: the pouches, panels and inserts that mount to it are the other half, and they are governed by numbers that have to be stated before anything can be estimated.

The chain runs in one direction. Identity tells the estimator what is being quoted. Construction tells them what it is made of. Interface geometry tells them whether existing modules will mount. Compliance tells them what evidence has to be produced. Commercial terms and carton cube tell them what it costs to land. Break a link and the estimator has to guess, and a guess is either padded or wrong.

The two most expensive gaps are the same two every season. Leaving hardware unnamed forces the estimate to assume branded components, which pushes the figure up. Leaving carton dimensions out forces the freight estimate to assume a cube, which pushes the landed figure up again. Neither guess is malicious; both are simply the only option when a field is blank.

Bottom line: Supply carton dimensions and hardware naming in the first submission, because those two blanks are the ones an estimator resolves by padding the figure rather than by asking.

Block One: Programme Identity and Scope Fields

Identity sounds trivial and is not. The estimator needs a style reference, a plain-language description of intended use, the target season or delivery window, quantity per colourway, and the number of colourways. Quantity per colourway matters more than total quantity, because a 500-unit floor normally applies per reference and splitting one reference across four colourways changes the cutting plan.

Intended use deserves real words rather than a category. Field service work, daily commuting, hiking, tool carriage and first-aid modules each imply different abrasion, load and access expectations. A bag that has to be opened 40 times a day is a different specification from one opened twice.

State whether the programme is new or a revision of an existing reference. A revision enquiry on a custom modular backpack, carrying the previous style number and the change summary can be quoted far faster than a fresh one, because the pattern, tooling and consumption data already exist.

Finally, name the decision maker and the response deadline. An RFQ without a named contact and a decision date is the one most likely to sit in a queue while the estimator works on enquiries that have both.

One more identity field is worth including: whether the programme is expected to repeat. A line stating that a reference will reorder each season changes how tooling and pattern costs are treated, because a one-off and a three-season reference do not carry the same amortisation.

Block Two: Construction, Fabric and Colour Fields

Fabric is specified by construction and finish, not by feel. Give the fibre, the denier, the weave, the coating type and the finish. Polyester and nylon behave differently under abrasion and under UV, and a coating that improves water resistance can reduce breathability and change how the panel sews.

Colour needs a reference system and a tolerance statement. A single Pantone reference plus a stated acceptance tolerance gives the dye house something to hit; the word navy gives it nothing. Where a pack combines a shell, a lining and webbing in nominally the same colour, ask for the three to be matched under the same light source and say which one governs.

The lining is frequently omitted and always used. State its denier, colour and whether it needs a finish. An unstated lining gets substituted with whatever is in stock, and the brand discovers the difference when a customer posts a photograph.

Reference test methods here rather than later. Abrasion resistance to ISO 12947 and tearing strength to ASTM D5034 give the fabric buyer a target that can be verified at goods-in.

Spec rule: State fibre, denier, weave, coating and finish together with a colour reference and a tolerance, because a fabric described without a coating and a tolerance cannot be sourced consistently across two production lots.

Block Three: Modular Interface and Attachment Fields

This is the block that separates a modular programme from an ordinary one, and it is the one most often left to a note saying MOLLE compatible. That note is not a specification. The estimator needs webbing width, vertical row spacing, horizontal repeat, row count, column count, the offset from a stated datum, and the bar-tack count at each webbing end.

The baseline figures for a PALS-type field are 25 mm webbing, 38 mm between rows and a 50 mm repeat across the panel. Give those explicitly, or state the alternative geometry if the programme uses one. Modules bought in from elsewhere are built to the published geometry, and a field built to something close to it will not accept them reliably.

Say whether the field is sewn webbing or cut from laminate. Both meet the same published geometry, but they differ in profile, snag behaviour and how the panel behaves under repeated attachment. The attachment field chosen at this stage also decides which tooling is needed, which feeds straight into the quote.

Then state the load expectation: what a mounted pouch is expected to carry, and how many attach and detach cycles the field should survive. Those two numbers decide webbing specification and bar-tack pattern, and they cost nothing to write down.

Takeaway: Replace any compatibility note with six numbers — webbing width, row pitch, repeat, row count, column count and datum offset — because compatibility claimed in words cannot be checked and compatibility stated in numbers can.

Block Four: Compliance, Testing and Documentation Fields

Name the market first. The United States, the European Union and the United Kingdom ask for different evidence, and a programme that ships to all three needs a documentation plan rather than a test report. Export and market-access requirements are summarised for traders by trade.gov, and the rules of origin that decide where a good is considered to come from are explained by the WTO.

Then list the methods the brand actually wants run, with acceptance figures. Abrasion, tearing strength, coating adhesion, colour fastness to rubbing and to laundering, and any restricted-substance screening the retailer requires. Listing a method without an acceptance figure produces a report nobody can act on.

State the inspection plan as well. Attribute sampling against ISO 2859-1 at AQL 2.5, with critical defects at zero, is the common arrangement, and naming it in the RFQ means it is priced rather than discovered.

Transit testing belongs in this block if the goods ship parcel-delivered. ISTA 3A is the usual reference, and it is priced as a test rather than assumed.

Finally, say who pays for testing and whether reports must be from a named laboratory. That single line is a recurring source of dispute when it is left out.

Block Five: Commercial, Logistics and Carton Cube Fields

Commercial fields are short and decisive: Incoterm, named port, payment terms, target price band if the brand has one, and required delivery date. Quotes are returned FOB Xiamen with payment on T/T 30/70 unless something else is stated, and a freight quote to a different port changes the landed figure materially.

Carton data is where modular programmes lose money. Give the packed carton dimensions in millimetres and the pieces per carton, or state flat-pack dimensions if the pack ships unassembled. Roughly 28 CBM fits a 20GP and around 68 CBM a 40HQ, so the difference between a packed and a flat carton is the difference between one container and two on a mid-sized order.

An RFQ that supplies carton dimensions gets a freight figure. One that does not gets a freight estimate with a caveat, and the caveat is where the trouble starts when the goods are booked. Freight is quoted to the port named in the commercial block, so the two fields should be filled together rather than in separate rounds of correspondence.

Where a programme ships modules separately from the host bag, say so and give both carton sizes. Mixed shipments are common on modular lines and are the single most frequent cause of a carton count that does not reconcile at the warehouse.

Verdict: Supply packed carton dimensions and pieces per carton with the first enquiry, because container selection against 28 CBM and 68 CBM is arithmetic that cannot be performed from a pack dimension alone.

Enquiry Depth Compared: Sketch, Reference Sample and Full Specification

Three submission depths are common, and each produces a different kind of quote. A sketch-only enquiry produces an indicative range. A reference sample plus notes produces a close estimate with stated assumptions. A full specification produces a firm figure with a short validity period and a defined sample plan.

None of these is wrong. A brand in concept stage should not be asked to produce a nine-page document. What matters is knowing which depth was submitted, because the accuracy expectation attached to each is different, and disappointment usually comes from expecting firm-figure precision on a sketch-only submission.

Note the second row: turnaround is the same across all three depths. The 24-48 hour figure describes how fast an estimate is returned, not how precise it is, and the precision is bought with submission depth rather than with time.

Judgement: Match the accuracy expectation to the depth submitted, because a sketch-only enquiry returned in 24-48 hours is a range for budgeting and not a figure for a launch commitment.

Why Each Field Matters: Omission Consequences Written Out

The clearest way to read a checklist is by consequence. The table below takes the fields most often left blank and states what actually happens downstream, in the order the problem appears in the calendar rather than the order it appears on the form.

Two entries in that table are recoverable only by spending calendar time. A re-cut grid costs a sample round, and a dye-lot argument at goods-in costs the whole 35-50 day window if the decision goes against the shipment.

The remaining entries cost money rather than time, and the money is usually recoverable by filling the field on the next programme — which is the real argument for keeping a checklist template at all.

Quote Turnaround and What Happens After the RFQ Lands

A complete submission sent through the enquiry route is quoted in 24-48 hours. That figure covers the estimate, not the sample. Sampling then takes 6-10 working days, and 12-15 where tooling or print screens are needed, and the sampling fee of USD 50-150 per reference is refundable on order. Tooling and screens are quoted separately, typically USD 300-2,500 depending on what has to be cut.

Once the quote is accepted, the sequence is PP sample, then bulk across 35-50 days, then release inspection at AQL 2.5, then shipment. Transit choices then run 25-35 days for sea, 5-8 for air and 3-5 for courier, and the mode is chosen against the delivery date rather than the freight saving.

On the production side, our 4,950 m² SGS-verified production floor carries 7 production lines and 149 machines worked by 137 people, with monthly capacity rated at 200,000 units. Bag production has been the founder's trade since 2004, and the business dates from 2014. Enquiries that arrive with the five blocks filled move from quote to PP sample without a clarification round.