1.【Vacuum Insulated】 The fayren water flask are made of premium 18/8 stainless steel with superior quality powder coat that’s rust resistant with double-wall and vacuum insulation.It keeps beverages ice-cold for 24 hrs, and hot for up to 12 hrs
2.【18/8 Stainless Steel】 This BPA-Free stainless steel water bottle won’t transfer flavors, won't sweat and does not rust.Metal water bottle help you stay refreshed,hydrated for an energetic lifestyle.
3.【ECO-FRIENDLY】Manufactured from BPA-free, non-toxic and 304 food grade stainless steel bottle body.