Who this is for
US microbusinesses shipping from home who need a complete packaging setup without overbuying.
Start with the product, not the aisle
Choose format from fragility, appearance, and dimensional weight. Soft goods often ship in poly mailers; rigid or fragile goods usually need a corrugated box and void fill. That fork is spelled out in poly mailers vs. boxes.
The five supply categories that matter first
Outer packaging, closure (tape), identification (labels), protection (void fill or mailer padding), and a way to print 4 × 6 in carrier labels.
Cost before catalogs
Use the packaging cost calculator with invoice prices. Size boxes with the box size calculator.
Next reads
Dimensional weight, void fill, and the rest of packaging guides.