enclosed my review of the product. I set photos and a video still follows.
The thermo cup in lens design is very well made. Because there is the first time almost no difference to a proper lens.
The lid can be approximately 1.5 - 2 turns unscrew. It fit about 330ml liquid pure. Ports on the top side is a slider. If we make this
back then you can drink from the Cup. So far so good. Only this is unfortunately leaking. With closed valve always some liquid drips out of this.
That is why the Cup is absolutely unsuitable for transporting liquid.
Aaaaaaber .... as eye-catcher on the desk or as use as a coffee cup, the cup is really good. Now everyone needs to know if he wants to spend the 20 Euro for the cup itself. As a gift, he naturally is also suitable.
Greeting Micha