CampOut Food Thermos 600 MLU Product Features: Stainless Steel Structure: Its inner and outer surfaces are made of durable stainless steel, ensuring long-lasting use. Hot and Cold Storage Feature: The thermos has the capacity to keep the liquids inside warm for up to 24 hours and cold for up to 18 hours. Additionally, it offers ice storage for 8 days. (This is valid as long as the lid is not opened, these times may be shortened when the lid is opened.) Minimizes Temperature Changes: The internal structure of the thermos keeps the liquid inside at the ideal temperature by minimizing the temperature change. Practical Use: The fact that the lid can be used as a cup provides ease of use and practicality. Shock Resistant: It offers safe use with its break-resistant structure. BPA Free: It is produced with materials that do not contain Bisphenol A (BPA), it does not harm your health. Technical Features: Volume: 600 ml Wash the product completely before first use. You can pay attention to the temperature and cold times as long as the lid is not opened.