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The flask is based on a special German technology designed to keep fluids cold or hot for extended periods of time by using technology used in the walls of spacecrafts.
The stainless steel used is of high grade and is hardened to withstand shocks or mechanical stress and with perfectly matching leak proof & thermal sealing characteristics.
Made of special hardened stainless steel to prevent dents and to last a life time.
Double walled design made of 18/8 grade stainless steel makes it unbreakable.
Retains flavor and freshness.
Scientifically designed to retain hot contents hot for 18 hours and cold contents cold for 24 hours.