I would recommend any except thin paper it makes the plane wobble and it won't fly straight and crash onto the ground.
A good paper airplane should be well-balanced and have a wingspan appropriate to its type (stunt, glider, or dart). For more information, go to www.paperaeronautics.org/tipsforagoodplane .
http://www.paperairplanes.co.uk/
printing paper or plain white paper
a plane that is well armored and fast and that can hold heavy weights