Premium 18/8 Stainless Steel Simple Modern insulated water bottles are made of high quality food grade 18/8 stainless steel metal. The bottle is highly rust resistant and it will.
Vacuum Insulation Technology
This bottle has a double-wall exterior with a vacuum seal between the walls. This means your drink temperature has no medium for the heat or cold to transfer through. Your drink will truly stay as hot or cold as long as possible.
Vacuum insulation provides superior heat retention--your beverage stays hot or cold for hours.Nonstick coated interior makes cleaning easy.