found at HealthPost
ECOtanka Mini tankas are slightly smaller than the average sports size bottle. They hold a volume of 600mls (two large glasses), are ultra light and fairly compact, measuring approximately 180mm from the bottom to the top of the stainless steel area. ECOtankas look modern and very attractive, while at the same time offering one of the most hygienic surfaces that is available. Stainless steel is very easy to clean and it's unique surface has no pores or cracks to harbour dirt, grime or bacteria. This ensures that your bottle stays completely clean and safe for years to come. ECOtankas are ultra light and durable, they are not lined with any material and they do not break down or leach in any way. They are completely safe and non-toxic. Fluids can be changed from a juice or sports drink back to water, and there is no tainting or after taste. Drinks from an ECOtanka always taste beautifully clean and fresh, and the stainless holds them cooler for longer periods of time. All ECOtankas are solid 304 high quality stainless steel food grade and have a 1 year warranty against faulty manufacturing. Stainless steel has a life expectancy of over 100 years, and is 100% recyclable. ECOtanka lids are made from Polypropylene #5 and are 100% BPA free, safe and non-leaching.