No leaching, no toxins, no nothing but high quality, 18/8 stainless steel. It's leak proof, rust proof and bust proof. Use it, keep using it, and when you're done using it, you can recycle it. Important: If you want to clean it - rinse with warm soapy water, leave open to dry. Don't put it in the dishwasher, even If you're a neat freak - Use SIGG Bottle Clean tablets and Brush Set. Don't fill it with fermenting beverages. Don't put it in the freezer of the microwave. Don't forget...steel gets REALLY hot if you fill it with hot liquid. Please rinse bottle prior to using. Made responsibly in China.
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