Thank you for viewing! This is a stainless steel thermos (0.5 liters) from THERMOS. It is brand new, unused, and unopened. Thanks to its vacuum-insulated structure, it excels at heat and cold retention, keeping temperatures for a long time. It's perfect for various situations, such as commuting, going to school, and outdoor activities! 【Product Specifications】 Product Name: Stainless Steel Portable Thermos Capacity: 0.5 liters Heat Retention: 68 degrees Celsius or higher (6 hours) Cold Retention: 10 degrees Celsius or lower (6 hours) Body Material: Stainless steel Inner Plug/Lid: Polypropylene, silicone Manufacturer: Thermos K.K. Country of Origin: Philippines Condition: Brand new, unused 【Important Notes】 Do not use in a microwave or dishwasher. Please refrain from putting carbonated drinks or dairy products inside. The product comes with a box and is unused, but please understand that it has been stored at home, so only purchase if you are okay with that. ※The photos are of the actual item. Instant purchase is OK! Thank you.