- Description
Roughneck insulated cups keeps drinks hot for 7 hours or longer and cold drinks cold for 18 hours or longer
More value for your money and your drinks stay enjoyable to drink longer
Why does it work so well? Double layer stops heat transfer from conduction, Vacuum insulation stops heat transfer from convection and reflective copper stops heat transfer from radiation.
BPA-Free
Dishwasher safe means it
More value for your money and your drinks stay enjoyable to drink longer
Why does it work so well? Double layer stops heat transfer from conduction, Vacuum insulation stops heat transfer from convection and reflective copper stops heat transfer from radiation.
BPA-Free
Dishwasher safe means it