Box Guide

How to choose a box?

Things you need to know:

Box Strength

Mullen Test

  • Measures the bursting strength of corrugated boxes.
  • A 200# box can withstand 200 lbs/linear inch of side wall pressure before crushing.

Edge Crush Test (ECT)

  • Measures the stacking strength of corrugated boxes.
  • A 32 ECT box can withstand 32 lbs/linear inch of stacking weight before crushing.

200# test vs 32 ECT

200#

200# Test: Recommended for shipping up to 40 lbs.

32 ECT

  • Recommended for shipping up to 30 lbs.
  • Most commonly used corrugated shipping box.

Corrugate Construction

single wall box design

Single Wall

Most common shipping box construction

double wall box design

Double Wall

Provides more strength and stability

Box Styles

Regular Slotted Container (RSC)

Half Slotted Container (HSC)

Full Overlap (FOL)

Roll End Tuck Top (RETT)

Five Panel Folder (5PF)

Variable Depth

Guidelines

Everyday shipping Standard: 32 ECT or 200# box
Heavy Duty: 44 ECT or 275# box
Extra stacking strength Double wall or FOL
Flexibility Various depth box
Better unboxing experience RETT or 5PF

Example: Our box descriptions

Note: S/W = single wall

D/W = double wall

How to measure a box?

Standard Box

Bin Box