Justin made a 3-dimensional figure out of a net that had 2 equal-sized circles and a rectangle. What figure did he make?

Justin made a 3-dimensional figure out of a net that had 2 equal-sized circles and a rectangle. What figure did he make?
Assuming that the net is flexible enough to be rolled - to get this simply think through which of these shapes could be used for the sides of an object and which for the ends. It'll come to you...