Get rid of those disposable (coffee) cups!
A cool aluminum travel mug is a great solution.
Double-walled and easy to close
Supplied with an anti-slip base (for example in the car)
The lid has a screw cap and the drinking spout is easy to open and close with a clip.
Compared to other cups, this one does not have a silicone lid but a sturdy plastic cap
Chilled drinks up to 24 hours, hot drinks up to 12 hours
