A caffeine-rich drink called 'Mate' will also be boarding the plane to Russia, as Dier admits that several of his club teammates are addicted to the beverage.
"At Tottenham, quite a lot of us have started drinking this thing called Mate. I am a bit addicted to it!
"At Tottenham, we have a lot of Argentinians at the club, so I started drinking it with them.
"And now we are trying to pretend to be South Americans! I haven't introduced it to the boys here at England but me and Danny Rose have a quiet one in our room sometimes."
England will play their first group-stage fixture against Tunisia on Monday evening.