Odyssey's super rugged FZKB31 keyboard case is ATA approved and fits most 31-note keyboards. It features heavy-duty hardware and interlocking memory foam on the interior, making it customizable for your keyboard. The keyboard case includes a spring-loaded handle. Inside foam is adjustable in width from 19.75" to 25.75", depth from 9.75" to 14.5". Fits gear up to 4.5" high*. *Please include the height of knobs and switches when determining the total height (thickness) of your gear.