Brand: THERMOS Capacity: 0.9 liters Color: Clear Stainless Steel (CS) Features: Double-walled, lockable lid Target age: Adult Product dimensions: 8 width x 30 height cm Size: Diameter 8 x 30 cm Capacity: 900ml Weight: Approximately 390g Heat retention (after 16 hours): 80 degrees Celsius or higher Cold retention (after 16 hours): 9 degrees Celsius or lower This product is the THERMOS "Mountain Stainless Steel Bottle" FFX series. This stainless steel bottle was developed for use in harsh environments such as mountain climbing. It features a vacuum-insulated structure with high heat and cold retention performance. The image may be of the 500ml model FFX-501, or a larger size. The body is made of stainless steel, and silicone rings and covers protect the bottle from impact. Thank you for viewing. Used about 3 times and then stored at home. It was very useful, keeping the water warm until morning at campsites and mountains! Please refrain from purchasing if you are concerned about minor imperfections due to home storage.