In the packaging industry, the grammage of paper or cardboard is a critical factor that influences several aspects of the final product including stability, protection, cost, and environmental impact. Grammage refers to the weight of the paper expressed in grams per square meter. https://www.luxury-paper-box.com/blog/best-paper-packaging-weight-in-grammage-for-your-products-package-gram-weight-guide.html