Self-heating Lunch Box Market Size and Forecasts (2020 - 2030), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage: By Type (Single Layered, Double Layered, Multi-Layered); Technology (Microwave, Steam); Distribution Channel (Supermarkets and Hypermarkets, Specialty Stores, Online Retail, Others) , and Geography (North America, Europe, Asia Pacific, and South and Central America)