ECOtanka was established in 2005 - 2006 by our New Zealand company with a view to provide an alternative to plastic drink bottles. We have taken the time to design, create and provide the best stainless steel drink bottles at the best price. ECOtanka Global HK Ltd (Hong Kong Company) has been setup so we can supply you with the same quality at the best prices with outstanding services. All of our bottles are personally checked by our own ECOtanka quality control staff. All ECOtanka products come with a one year guarantee against faulty manufaturing. ECOtanka has a wide range of stainless steel drink bottles from 350ml teenyTANKA to 2 liter megaTANKA, and are ultra light, compact, hygienic and eco-friendly.