The round pieces have to be plugged into the other rods, which is not easy for me as a woman walked. But this one has a man. ;-) If, you have first understood the assembly instructions (assembly instructions poorly explained) is the principle rather simple to implement and grow. Best to take the pictures of the item description in Amazon at hand, then it is easier. The headrests are protected by small semi-cutaway hoses. There are several ways to mount the screens on the headrests. The grid is stable, our Labrador (brief 5-6 months) it can not verrütteln or tear down. On the whole, for the price compared to expensive products definitely recommended. It does the job and looks in my car also not so bad.
