To buy cardboard effectively, you must match the material's strength (flute and wall type) to your item's weight and fragility while ensuring the box dimensions minimize "shipping air". 1. Identify the Right Cardboard Type

: Two layers of flutes; essential for heavy (over 20kg) or fragile goods that might be stacked.

There are four common types: * Single Face: Combination of one fluted corrugating Medium glued to one flat facing of Linerboard. * Shorr Packaging Cardboard Boxes Guide - Macfarlane Packaging

: Good for crush resistance and often used for canned goods.

: Used for industrial machinery or maritime export. Flute Profiles (Thickness) :

Cardboard is a broad term; for shipping or storage, you generally need , which uses a wavy "flute" for strength. Wall Construction : Single-Wall : Standard for items up to 20kg.

: The most versatile, standard shipping profile.