Cover imitation cook good workmanship. It is ideal for the nüvi 3597 is a bit smaller than other GPS 5 "from Garmin. I feared that GPS is" ballad "in it, that's not the case at all. On the other hand, is easy to extract from the case. One thing that I have not thought of against, the magnet of 3597 continues to play its part through the cover. So watch with magnetic media such as hard disks and USB keys.
I hesitated between 3 and 4 stars. I am pleased with this purchase, but I find it still lacks a location to put a Micro SD adapter.