The Box Files
Packaging, plainly explained
Everything a first-time box buyer needs to know, written the way we'd explain it across a counter. No jargon, no upsell — read what you need and quote when you're ready.
Corrugated vs. paperboard
The two materials every box is made of, and a simple rule for choosing between them.
4 min read →Flutes & ECT, explained
What E, B, and C flute mean, what an ECT rating tells you, and which grade your box needs.
5 min read →How to measure a box
Internal vs. external dimensions, the L × W × D convention, and how much clearance your product needs.
4 min read →Mailer box vs. shipping box
Two boxes, two jobs: when the unboxing matters and when the price per unit does.
4 min read →What custom mailers cost
Realistic per-unit price ranges at 500–5,000 units, and the five things that move the number.
5 min read →What is a dieline?
The technical drawing every box is built from — cut lines, fold lines, and how artwork fits onto them.
4 min read →