Resources - Erdie industries - Mailing tubes | poster tubes

Moisture resistance in paper tubes has traditionally relied on wax and plastic coatings. In practice, these solutions introduce predictable failure points—surface breaches, delamination, and reduced recyclability. As regulations tighten and industrial demands increase, a shift is underway toward engineered fiber systems that deliver performance without coatings.

For years, cylindrical packages were treated as a problem in automated logistics—often triggering added handling fees and manual intervention. But as sorting systems evolve, that assumption is starting to change. The question is no longer whether tubes fit the system, but whether the system is finally catching up to them.

Square mailing tubes may look practical, but their flat sides create a structural weakness that leads to collapse under pressure. Here’s what actually happens during shipping—and why round tubes perform better.

Choosing the wrong mailing tube leads to cracked ink and crushed edges. This definitive guide breaks down the engineering principles of spiral-wound tubes, providing a 10-second size selector and technical specs for e-commerce, art, and industrial shipping.

Round packaging offers superior strength compared to boxes. Learn how spiral-wound paper tubes distribute stress, resist crushing, and protect products during shipping.

Learn how to choose the right shipping tubes, mailing tubes, and poster tubes for eCommerce. Sizes, wall thickness, and packing tips for safe deliveries.

Paper-based packaging (paperboard, cardboard, etc.) remains the largest material category in the industry. In 2024, paper and paperboard products represented the biggest share of packaging by volume globally. For example, corrugated cardboard boxes – those ubiquitous brown shipping boxes – form the backbone of e-commerce logistics.

Sustainability doesn’t have to come from Silicon Valley or Wall Street. It can come from a small workshop in Ohio, where materials are measured in precision and progress is measured in fewer wasted resources.