OEM Moto Guzzi 37L Top Box, Grey w/Black Backrest - CM333802
Complete fitment list at bottom of this page.
This Official Moto Guzi accessory comes with 2 keys, and a backrest pad.
The required Rear Rack 2S001997 is sold separately
Box measures roughly 18x18x14 inches.
Installation and use instructions in .pdf format