The link you provided leads to a market research report on "Self-Heating Food Packaging" by Persistence Market Research. This type of packaging is designed to heat food items without the need for external heat sources. The report likely covers aspects such as market trends, growth drivers, challenges, and opportunities in the self-heating food packaging industry. It may also include analyses of key players, technological advancements, and market segmentation based on factors like type, application, and region.