15 Oct 2018 --- Sustainability, widening emerging markets and optimizing packs for on-the-go convenience are some of the market aspects driving Tetra Pak's carton design. At Tetra Pak’s event, Inside Tetra Pak, held last week at its headquarters in Lund, Sweden, PackagingInsights gained an insight into the ways in which the company is keeping abreast of changing customer demands and increasing the effectiveness and diversity of its packaging.