Turn virtually any indoor wall into a white dry erase surface or projection screen. White or clear film clings to walls, so there’s no need for tape or other mounting materials. Wizard Wall Set includes a 30" x 50 ft. film roll in a cutter/storage box. that also contains 2 permanent markers, a dry-erase marker and an eraser. Wizard Wall Standard Box Includes 27 1/2" x 40 ft. wizard wall white film in cutter box. A variety of other sizes are available, also in cutter boxes.