The case is not very thick, but it is well suited for TomTom via 135 with its ball. The device is also found in the well kept it from falling any risk case. In use the case proves resistant, no worries after a few months, protection may be insufficient in case of big crash or violent impact, but it is perfect for protecting scratches. Since it does not add too thick it allows itself to embark with GPS in a small handbag without fear of keys and other sharp objects evil ... A very good price / quality ratio and timely delivery and carefree.