The Neoflam Double Wall Stainless Steel Bottle 500. Ml Green is a practically designed bottle that allows you to maintain a healthy lifestyle by drinking enough water throughout the day. The double-wall vacuum insulation keeps beverages cold for 24 hours and hot for 12 hours. It is made of robust and high grade 18/8 stainless steel material. The non-slip bottom prevents the bottle from falling. This vibrant green colour bottle can hold up to 500 ml of liquid. .(1)Suitable for water, sports drinks, smoothies, juices, coffee and tea, soups and much more(2)Made of highly robust and high grade 18/8 stainless steel material(3)Vibrant green color bottle can hold up to 500 ml of liquid(4)Keeps your drinks hot for 12 hours and cold for 24 hours