This looks a lot like the lids of the ceramic faux-paper cups. The big problem I had with these (at least the one I bought several years ago), is that there was no air hole, so drinking from it was a lesson in the physics of the vacuum.
This looks a lot like the lids of the ceramic faux-paper cups. The big problem I had with these (at least the one I bought several years ago), is that there was no air hole, so drinking from it was a lesson in the physics of the vacuum.
