4×6 Shipping Label Core Size Comparison

Which Core Size Do You Need?

Although all 4×6 (100×150mm) shipping labels print the same label size, they are supplied on different core sizes. Choosing the correct core ensures smooth printing and prevents feeding problems.

25mm (1") Core

Best for compact desktop thermal printers.  Typical labels per roll:

  • 300 labels
  • 500 labels

Suitable for:

  • Zebra Desktop Printers
  • TSC Desktop Printers
  • Godex
  • Citizen
  • Bixolon
  • Brother TD Seriess

Advantages

✓ Smaller roll diameter \

✓ Easy to store

✓ Lower cost

✓ Perfect for small businesses

40mm Core 

The most popular business choice. Typical labels:

  • 350 labels
  • 500 labels

Suitable for: 

  • Zebra Desktop
  • TSC Desktop
  • Honeywell
  • GoDEX
  • Most desktop shipping printers

Advantages 

✓ Longer printing without changing rolls

✓ Popular for eCommerce sellers

✓ Better productivity

76mm (3") Core 

Designed for industrial printers. Typical labels:

  • 1000 labels
  • 2000 labels
  • 2500 labels

Suitable for: 

  • Zebra Industrial
  • TSC Industrial
  • Toshiba
  • TEC
  • SATO
  • Honeywell PM Series

Advantages 

✓ Long production runs

✓ Fewer roll changes

✓ Warehouse operations

✓ High-volume printing

Quick Comparison 

Core Size Roll Capacity Best For:

  • 25mm 300–500 labels Small business
  • 40mm 350–500 labels Growing business
  • 76mm 1000+ labels Warehouse & Industrial

Which Should I Choose? 

  • Choose 25mm if you print a few hundred labels each week.
  • Choose 40mm if you ship every day.
  • Choose 76mm if you operate a warehouse or fulfilment centre.

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