invisibleSHIELD for iPhone 3G consists of two adhesive films for the front and back of the device, a spray bottle with mounting fluid and a plastic slide for removing bubbles. Unfortunately, the installation guide is available in English only - precisely because of the rather complicated installation would be a German translation certainly helpful. The small side portions of the back sheet are very hard to make it adhere, only a glance at the (of course also English) manufacturer's website brings here the helpful tip to make the film only to dry for a few minutes and then the side parts with the palm 30-60 but firmly seconds. However, this excellent result compensated for the difficult assembly (20-30 minutes you should plan for it already).