Also known as Unit Load Devices (ULDs), these containers enable efficient, secure, and cost-effective transport of cargo in aircraft holds. For importers, understanding the types, sizes, and specifications of air freight shipping containers offers practical benefits. They are used for shipping dry materials. Check out the independent ULD Rentals site for more information! Our full range of custom-designed upper- and lower-deck containers are built to your specifications and offer the ideal combination of structural. Key Takeaways: Not all dry cargo is created equal. Understanding TEUs and container capacities can help you. COLLAPSECON is the next evolution of shipping containers – a fully automated collapsible container that will improve operational efficiencies, deliver economic savings and reduce environmental impact across the supply chain, all without requiring a fundamental change to the industry or global.