The 20-feet freight container is a key element for the international logistics. The 20-feet freight container, and the larger version and roomy 40-feet container, are in fact the international standard reference for all Countries. The standardize container in terms of size, volumes and loading capacity makes possible to optimize the intermodal freight by ships, trains and trucks. The logistic has became more effective and faster. Even the warehouses and stocking areas management became easier and more flexible.