here's a pic of Dnj's microArranger in the case we both recommend:



That said, here's a Warning about buying the other below 'Korg microBag case':



Though it's advertised to fit the Korg microArranger here, it actually won't fit because the micro-Arranger's length is 34.37",
yet the microBag's exterior length is only 27.5".
In fact, a reviewer on Amazon complained about this same Bag not able to accomodate his Korg R3 keyboard either Click here.