Why Do the World's Largest Shippers Use 4x6 Labels? A New E-Commerce Startup Has the Answer — and the Solution

Why do shipping giants like Amazon, UPS, FedEx, USPS, and DHL all rely on one specific size for their shipping labels?
Ars Technica

mailing label comes out with black background

So I scooped up a bundle of 4x6 address labels intended for dedicated thermal label printers, thinking they'd also work in my laser printer. After much ...
Newsweek

Can a Thermal Label Printer Replace Your Inkjet or Laser Printer?

A while ago I got rid of my inkjet printer in favor of a laser printer. Doing this was such a great life hack for this digital native who doesn't print photos and only really needs the convenience of ...
Yahoo Finance

Why Do the World's Largest Shippers Use 4x6 Labels? A New E-Commerce Startup Has the Answer — and the Solution

JACKSONVILLE, Fla., October 09, 2025--(BUSINESS WIRE)--Why do shipping giants like Amazon, UPS, FedEx, USPS, and DHL all rely on one specific size for their shipping labels? The answer lies in ...