Chart Paper

I teach at the college level, and use chart paper often for group work. I would love to have re-usable chart paper that has a strip on the back like the beacons to stick it to the wall or white board for presentations or display. (Like the 3M Post-it chart paper). It would be great to have a chart paper size, with lines and/or dot grid on it, and a 12 x 18' size (like large construction paper) that could be scanned prior to the presentation where there's a way to project the "paper."