- Leak-Proof Design: Our insulated barrel features an advanced food-grade silicone seal that is high temperature resistant and ensures a strong, safe, and tasteless seal. The thickened sealing clip allows for easy closure, effectively preventing leaks and minimizing heat loss for optimal heat preservation. - Multi-Layer Insulation Technology: Constructed with food-safe 201 stainless steel for the inner tank, a durable thick PE outer shell, and a polyurethane full PU foam interlayer, this double-insulated design keeps your beverages hot or cold for extended periods. - Large Capacity Options: Available in 10L, 20L, 30L, 40L, 50L, 60L, 70L, and 80L sizes, this insulated coffee machine is perfect for serving multiple people at once, eliminating the need for constant refills during gatherings or events. - Convenient Usage: Ideal for a variety of hot beverages, you can easily pour coffee, tea, water, milk, soup, and hot chocolate into the machine. Enjoy your preferred drink at the perfect temperature without the hassle of repeated heating. Please note that this product provides physical insulation only and does not have a heating function. Use Scenarios: 1. Perfect for office settings where colleagues can enjoy hot coffee or tea throughout the day without needing to refill. 2. Great for parties or family gatherings, allowing you to serve multiple guests their favorite hot drinks simultaneously. 3. Ideal for outdoor events or picnics, providing a reliable way to keep beverages hot or cold for hours.