D'Addario Xpnd Pedalboard - 2Large, double row design to accommodate larger effects setups Expandable and retractable telescoping engineering for adding and subtracting pedals and effects with ease Excellent for onstage use as well as for circuit building in practice studio areas Mounted rubber feet and lightweight aluminum structure are great for stability and reduced strain during transport Travel made even easier with D'Addario's Backline Transport Bag (sold separately)