The cartridges provided did not comply, so we had a little force and therefore the pen is stuck in the cap. To remove it was necessary to break the round the hood. We try our cartridges which proved perfect for this pen, everything works, but the cap remains damaged. This is unfortunate because it vraiùment pen is very beautiful, but we wanted to try it before you offer, and it was good for the child to whom it was intended would have been more than disappointed. So I put a star for côtéesthétique stylu the pen, but for the rest of disappointment too.