【High Heat and Cold Retention】 THERMOS soup jars maintain a temperature of 56°C or higher for 6 hours, allowing you to enjoy warm soup even in the cold season. They also have a cold retention function that keeps contents at 12°C or lower for 6 hours. 【Compact Design】 The compact size is convenient for carrying, making it perfect for lunch boxes and picnics. The mint green color is cute and brightens up the dining table. 【Durable Materials】 The stainless steel interior is coated with acrylic resin, making it highly durable and suitable for long-term use. The seal packing prevents leaks. - Brand: THERMOS - Capacity: 300ml - Color: Mint Green - Material: Stainless Steel (Acrylic Resin Coating) - Heat Retention: 56°C or higher (6 hours) - Cold Retention: 12°C or lower (6 hours) - Internal Structure: Vacuum Insulation - External Structure: Polypropylene - Packaging: Seal Packing Thank you for viewing. I purchased this in September 2013 and have stored it at home, but I am selling it because I started using other products. No smokers. Cat present. Please refrain from purchasing if you are concerned.