The team was tasked with evaluating the heat transfer claims of one of the following double wall, vacuum insulated technologies: Hydro Flask, h2ogo Nexus Tumbler, and NALU Therm. The team decided to analyze the Hydro Flask and test all of the marketing claims listed on their website. In addition to these claims, assess the value economically and thermally of having copper plating inside the vacuum chamber. The report has all of the calculations and explanations on whether the claims are true or false.