Custom Corrugated Boxes Wholesale
E-flute and B-flute corrugated boxes developed for the packed product and distribution route: flexo for economical graphics, litho-lamination when finer reproduction matters. FSC board options and converted-sample qualification — factory-direct from 300 pcs.
Corrugated Specced by Test, Not by Guess
Corrugated is an engineering product: flute, liner and board grade influence how the converted box responds to its packed load. We start with product weight and courier route, then return the proposed construction and qualification route instead of treating one ECT value as a finished-box guarantee.
Fine flute can support a smoother retail-facing print surface; larger or doublewall structures may be proposed when cushioning or distribution duty dominates. Print can run flexographic for economical spot-colour work or litho-lamination when finer reproduction matters.
FSC-certified board and water-based ink options are available; recyclability must be checked against the complete material specification and destination collection rules. For tear-strip DTC mailers see the mailer range; for branded RSC shippers see shipping boxes with logo.

Specifications & Parameters
Configure your corrugated spec:
| Parameter | Options & Guidance |
|---|---|
| Flutes | E (1.5mm, fine print) · B (3mm, cushioning) · EB doublewall (export) |
| Board Grade | Specced by ECT against product weight + route; certs per lot |
| Flexographic spot-colour print or litho-lamination for finer graphic reproduction | |
| Styles | Product box, RSC shipper, die-cut mailer, retail-ready tray (SRP) |
| Sustainability | FSC-certified kraft/white liner and water-based ink options; confirm the full construction against destination recycling rules |
| Interior | Corrugate dividers, inserts and buffers engineered in-house |
| Common Sizes | Fully custom; dielines in 24h |
| Minimum Order | 300 pcs |
| Sample Lead Time | 3–5 business days |
Corrugated Options
Engineering choices that matter:
ECT-Specced Board
We spec flute and liner from your product weight and courier route — and share the test basis.
Flexo vs Litho-Lam
Honest guidance on when cheap flexo is enough and when litho-lamination pays back.
Mono-Material Route
Compare FSC board and water-based ink options, then confirm coatings and destination recycling rules.
In-House Dividers
Corrugate inserts and partitions engineered with the box, not bolted on.
Which Corrugated Specification Belongs on an RFQ?
Short answer: Specify the packed product, inside dimensions, total weight, stacking and parcel route before naming a flute. ECT describes edgewise board resistance; it does not by itself guarantee finished-box compression. The converter still needs liner and medium construction, flute profile, box style, joint, print process, conditioning and an agreed packed-box test.
Use ECT as a Material Input, Not a Shipping Guarantee
ISO 3037:2022 defines a non-waxed-edge method for measuring edgewise crush resistance of corrugated fibreboard, with force applied in the flute direction. That is a repeatable board test. Finished-case performance also changes with box dimensions, score quality, slots, manufacturer's joint, print/lamination, humidity, packing pattern and how the load reaches the panels.
For sourcing, provide a performance brief and ask the converter to return the proposed board construction plus the packed-box verification route. Do not copy an ECT value from a competitor carton without matching its size, contents and supply chain.
- State product dimensions, packed weight and unsupported voids.
- Separate retail-display requirements from parcel or pallet requirements.
- Identify moisture exposure, cold chain or long warehouse dwell.
- Approve the converted sample after print, die-cutting and joint formation.
Choose Flute and Print as a System
| Route | Useful when | What to sample |
|---|---|---|
| Fine flute + direct print | Compact product boxes needing a clean surface and modest cushioning | Score cracking, washboarding, barcode readability and panel flatness |
| Corrugated + litho label | Retail graphics need finer reproduction on a protective structure | Laminate bond, warp, edge alignment and rub performance |
| Shipping case | Distribution protection and stacking dominate presentation | Joint, closure, packed compression, handling and destination humidity |
Send Inputs That Let the Supplier Engineer the Board
- Inside dimensions, packed weight, product orientation and void locations.
- Parcel, pallet, retail-ready or mixed distribution route.
- Stack height, storage duration, humidity exposure and failure criteria.
- Required print process, ink coverage, coating, barcode and colour tolerances.
- Order quantity, delivery market and whether packed-box testing is required.
Worked specification example
Two buyers can request the same inside dimensions and still need different cases. A light retail product shipped one unit at a time may value print surface and dimensional efficiency; a denser product stacked for weeks may place more demand on panel and corner performance. The RFQ should therefore pair dimensions with packed weight, stacking pattern, warehouse duration, route and acceptable damage. The converter can then return a proposed flute and board construction, but approval still belongs to the converted and packed sample. Record the sample's board identification, box style, joint, print route, closure and conditioning state so a later repeat order is compared with the same reference. This also prevents a board-strength number from being copied into a purchase order without the conditions that made it meaningful.
Print method belongs in the same record. Direct flexographic print, coated liner and litho-lamination can change surface appearance, converting behaviour and moisture response. Approve colour, barcode and structure on the route being purchased, then keep the signed sample and board identification together. A later artwork-only change can follow that reference; a board, flute, joint or laminate change needs a fresh comparison.
Quantity Tier & Pricing Benchmarks
Indicative ex-works tiers for a 250×180×100mm E-flute product box, 2-colour flexo:
| Quantity Tier | Indicative Price (USD / EXW) | Recommended Use Case |
|---|---|---|
| 300 Pcs | $0.85 – $1.60 | DTC launches, crowdfunding fulfilment |
| 500 Pcs | $0.60 – $0.95 | Growing e-commerce brands |
| 1,000 Pcs | $0.42 – $0.65 | Standard wholesale volume |
| 3,000 Pcs | $0.30 – $0.45 | Retail-ready programs |
| 5,000+ Pcs | $0.22 – $0.35 | Export and distribution volume |
*Prices are ex-works (EXW) and vary with paper grade, dimensions, ink coverage, and finishing. One-time mold/die-plate setup fees are waived on re-runs.
Corrugated Across the Chain
From unboxing to pallet:
DTC E-Commerce
E-flute product boxes that print like retail and ship like armour.
Retail-Ready (SRP)
Shelf-ready trays and display shippers for supermarket programs.
Export Cartons
EB doublewall specs for sea-freight palletisation and 50+ country routes.
Heavy & Fragile Goods
Engineered dividers and buffers for glass, ceramics and multi-packs.
Frequently Asked Questions
Get a Factory-Direct Quote Within 4 Hours
Tell us your product and target quantity. Our sales engineers reply with an itemized quote and a free 3D mockup.
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