Includes full length marker/eraser tray. Double-sided, magnetic on each side. Four casters, two with locking brakes for easy maneuverability and stability. Five permanent staff sets on each side. Board locks into place with clip and two side tightening knobs. Eliminate the hassle of redrawing staff lines, music staff lines are permanently printed and UV resistant. Board mobility allows for a flexible lesson plan and multi-classroom use. Hang assignments and class updates on the magnetized board. Full-length tray to store markers and erasers. Made from painted steel and aluminum. Made in China. Board: 72 in. W x 48 in. H. Overall: 74.5 in. L x 23 in. W x 72 in. H. Assembly Instructions . Optimize your musical notation within the classroom with our Mobile Double Sided Music Whiteboard. Students and teachers can easily flip the rolling whiteboard to maximize the use of the ten total staff sets. After each turn of the board, simply lock the musical transcription into place with the board clip and tightening knobs.