Reusable Stainless Steel Metal Water BottleJungle Cultures uniquely designed range of two tone metal reusable water bottles are vacuum insulated and double walled to keep liquids cold for 24 hours or hot for 12 hours! We use professional grade 304 stainless steel to ensure that your eco flasks last a lifetime, remain rust resistant and stay leak proof! Were so confident in our bottles quality that we offer a lifetime guarantee on all of our reusable stainless steel water bottles! Our