Vacuum flask: 350ml,500ml,750ml and 1L It can keep water hot for 20 hours different colors are available thermos vacuum flask:Packing: 24 pieces/carton, inner packing is 1-piece/white boxGross/net weight: 12/10kgMeasurements: 47 x 32 x 24cmMaterial: 18/8 or 18/0 stainless steelLogo imprinting are availableAvailablecapacity: 1,000, 750, 500 and 350mL