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ECOtanka used 2 testing systems to check the quality of all stainless steel used in the manufacturing of bottles.
Each batch of stainless steel is tested onsite by a certified Spectrometer before manufacturing.
ECOtanka also uses an independent company called SGS Group - a global leader in, inspections, verifications, testing and certifications, for all product testing and certifications.
Below test reports show ECOtanka products meet these specifications:
=> Polypropylene #5 plastic lids are BPA FREE
=> The clear silicone seal is BPA FREE
=> The sipper part (TPR) is BPA FREE
=> Stainless steel Extractable Heavy Metals FREE
=> All of the above meets the FDA Food grade certifications