SIGG has been designing and manufacturing water bottles since 1908 in our own factory in Switzerland - one of the greenest countries on the planet.   SIGG can say with even more confidence all ingredients used in our products are in conformance with both European and U.S. regulatory requirements. They are also certified and free of harmful chemicals. Furthermore, all ingredients inside bottles are free of any volatile organic compounds (VOC's), Phthalates, BADGE, BFDGE, and NOGE. In particular, our ingredients are free of BPA. SIGG bottles are independently lab tested to affirm our products meet our promise.   All SIGG aluminum bottles are equipped with the EcoCare Liner. The SIGG EcoCare Liner is a high performance liner that ensures a fresh, clean taste and no metallic aftertaste. It is chemically inert and does not absorb, leach or transfer odors or flavors, no matter what beverage is inside. All ingredients in the SIGG EcoCare Liner are "Non Active Ingredients."   Product Feature: Made in Switzerland, since 1908 Consist of EcoCare Liner, no metallic aftertaste Safe & reliable, free of harmful chemicals, such as BADGE, BFDGE, BOGE, BPA, Phthalate, etc. Suitable for carrying different beverages, such as coffee, juice, milk, etc. Wide range of spare parts could be purchased for replacement