In case anyone is looking for these they are back in stock at Reverb.
https://reverb.com/item/92938-3-pack-boxes-reverb-guitar-and-keyboard-box-fits-most-sizes
These are pretty nice boxes and 2 inches longer than what is on eBay or other places.
https://reverb.com/item/92938-3-pack-boxes-reverb-guitar-and-keyboard-box-fits-most-sizes
These are pretty nice boxes and 2 inches longer than what is on eBay or other places.