Thermal insulated food container — practical, reusable lunch jar for adults Key benefits Keeps meals at the right temperature: inject warm water to keep food warm or to heat fluid foods; inject cold water to cool food when needed. Portable and reusable: designed for daily use at work, school, travel or outdoor activities. Safe, durable construction: made of stainless steel and PP (polypropylene) for corrosion resistance and heat resistance. Secure and convenient: comes with a sealing lid to reduce spills and retain temperature. What makes this container useful Direct temperature control: instead of relying on a microwave or external heater, you control temperature by adding warm or cold water when you pack or before eating. Food quality and safety: stainless steel interior and PP components provide a hygienic surface that helps keep food fresh and healthy. Designed for adults: marketed as a lunch container for men and adults who want a reliable insulated soup carrier or meal jar. Features Function: Inject warm water to maintain or mildly warm fluid food; inject cold water to cool food for comfort. Lid: Sealing lid for practical, onthego use. Materials: Stainless steel body with PP components — corrosion resistant and heat resistant. Reusable: Built for repeated daily use as a lunch container. Typical use scenarios Office lunch: Pack soup, porridge or a hot stew in the morning, inject warm water to keep it warm until lunchtime; seal the lid and carry in a bag. Travel and commuting: Bring a chilled salad or cold drink, inject cold water before leaving to keep it cool while commuting. Outdoor meals: Use as an insulated soup carrier on picnics, short hikes or job sites where a microwave or refrigerator is not available. How to use (brief) Fill the food chamber with your meal. Inject warm or cold water as needed according to desired temperature. Close the sealing lid and carry as required. Materials and performance summary Stainless steel and PP construction for durability, corrosion resistance and heat resistance. Sealing lid improves convenience and reduces spills. Reusable design supports everyday use and meal freshness. This thermal insulated food container is a straightforward solution for adults who need reliable temperature control and durable construction in a portable lunch jar.