Understanding packaging language makes conversations with vendors faster and more productive. Here are some common terms, explained simply.

Common Terms

• Dieline: A 2D template that shows cut and fold lines for a carton or other structure.
• Substrate: The base material being printed or formed (e.g., board, film, plastic).
• MOQ: Minimum order quantity a supplier will produce.
• GSM / Caliper: Measures of board or paper weight/thickness.
• Tray: A formed plastic or paper structure that holds a device or product.
• Tyvek: A DuPont substrate commonly used for sterile medical packaging lids.
• Transit Testing: Testing that simulates shipping conditions for packaging.
• Sterile Barrier: The part of a packaging system that maintains sterility.

This glossary can grow over time as your team encounters new terms.

Let us know if there are terms you’d like us to add.