Thermos Stainless Steel Bottle Set of 2. Cup type FFM-502 * Capacity: 500ml * Color: Stone Black Thanks to its vacuum insulation, it has high heat and cold retention. Comes with a cup, convenient for outings. In the coming season, it's a cup type that makes it easy to drink warm beverages. The capacity size is not too small, not too large, and is just the right size for carrying around.