WinterGreen Research announces that it has published a new study Lunchboxes: Market Shares, Market Strategies, and Market Forecasts, 2018 to 2024. The 2018 study has 80 pages, 46 tables and figures. Lunchboxes come in various shapes and materials, each designed with a specific function in mind. Some shapes are multifunctional and best for everyday use. Other shapes are not used that often. They are all designed to support healthy nutrition.