Really convenient --- For my travels across Europe, i was fretting with the idea of carryng 5 different numbers until my friend recommended Matrix Sim Cards. I wasn’t really sure of the kind of services i would get, but by the end of the trip i knew it was a wise decision to use Matrix. Just a few glitches while i was in transit between UK and Italy, which got fixed after a call to the customer centre, it was a smooth ride! Thanks Matrix