Double wall 18/8 stainless steel copper vacuum insulated tumbler with tapered construction and clear push-on lid.
The vacuum insulated body and copper plated inner wall help retain the internal temperature of the tumbler longer.
The copper plated inner wall can make a difference of nine degrees over 24 hours and prevents heat from entering or exiting the tumbler by thermal radiation.
Keeps contents hot for eight hours, cold for 16 hours.
Wash before first use
Hand wash recommended