The Packaging Buyer by Matt Louie
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Search packaging terms, formats, materials, buying questions, field notes, and buyer tools.

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Sustainability & Compliance

Separate the claim, the requirement, and the evidence.

A source-aware hub for material terminology, claim language, requirements, package evidence, and the qualified review behind project-specific decisions.

01

Materials Library

Review common material families and the questions they raise.

Reference
02

PET vs Polypropylene Film

Compare two material families without turning a general guide into a prescription.

Technical guide
03

What Is Metallized Film?

Understand the term and the application questions that remain.

Technical guide
04

Ask a Packaging Question

Send Matt the actual requirement or claim you are working through.

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