A mountain-specific THERMOS with a capacity of 750ml, keeping contents at 78°C for 6 hours. - Brand: THERMOS - Capacity: 750ml - Weight: 350g - Features: Keeps contents at 78°C for 6 hours - Intended Use: Mountain use only Thank you for viewing. I opened it once to check the contents, but it has not been used. I am selling this because my family bought me another bottle.