Then I sent them this email with two files attached:
Tell them that we have just made an order that appears at the bottom of this message and attaches a sketch of how it should be, as well as the logo in vector. Please respect the measures.
We look for directions to make the entrance.
Guess what happened? Well, after a few days I got the box with all the pens. To my surprise I opened it and saw this: Astonished, I took out a good handful of pens from the box and I realized that they are all like this! The funny thing is that I did not have to explain it to anyone, just teaching the pen people in the studio (who did not know the story) burst out laughing.