First point is not silicon but a plastic PVC type. Then the openings are well placed except for the flash and lens are shifted one mm but not cantilevered, I enlarged the opening of the jack and power supply because sometimes it does not. The surfaces above the buttons are very stiff, so I cut the cutter in length to soften. Finally the yellow is not as farting on the same picture with the white version of the device. Other than that ... I'm pretty happy;)