Demand for 40ft high-cube containers continues to grow, creating stowage problems for ocean problems for carriers and entities requiring an accurate assessment of demand, according to Drewry. This week’s Container Insight Weekly from Drewry highlights the growing share of 40ft high-cube (9ft 6in high) containers in the global maritime container fleet and how the phenomenon is causing problems for carriers and forecasters alike. The popularity of 40ft HCs is easy to understand.