Stay hydrated all day long with this stylish and functional vacuum insulated flask. Weighing at 170 grams, it comes with an innovative one-push button that makes it even easier to open. It is made from high standard quality metal part stainless steel SUS 304 plastic part virgin raw material food safe, BPA Free ISO 9001 / ISO 14001 Certified. Every single piece has been passed through heat / cold retention test and aging process (products are stored for 2 weeks after vacuum process). Capacity : 0.35 L. Heat insulation (6 hours) : 63°C and above Cold insulation (6 hours) : 11°C or below. Dimensions: width × depth × height (approx. cm) : 6.5 X 7.5 X 17.