Very well made. With the USB adapter plug has two USB power supplies available. The bag fits perfectly for our TomTom Start 40. The flap pocket holds with (invisible) magnet. Needs improvement is the following: If the Navi hangs, the 12V car plug is used (because of the traffic receiver). TomTom, build it this way, that you USB, has Navi and 'ne free socket for the cooler!