A reliable tumbler is an everyday companion. Whether you are hydrating with ice water at your desk or taking iced coffee on a road trip, double-wall stainless steel vacuum construction is the secret to thermal performance.
How Vacuum Insulation Works
By removing the air between two walls of 18/8 food-grade stainless steel, heat transfer via convection and conduction is virtually eliminated, keeping cold liquids chilled for over 24 hours.