I saw the previous thread was closed because people started bickering. That was to be expected. Martin, see your previous thread if you can.
The refillable mugs are meant to be used on that trip only. However, many people bring the mugs and re-use them....and get away with it.
***DISCLAIMER***
please do not criticize me, challenge me, correct me, or abuse me for this post. I did not say or admit, that I am a mug abuser. I am just giving the cliff notes version of the thread that was deleted.
Have a MAGICAL mug filling day!!