As my 14 year old female is no longer jump in the trunk in the position and I can not wuppen almost 30 kg I ordered the ceiling. Works great! Quickly and easily fastened to the headrest of the backrest, then attached to the dog where the NOT einsteigt also on the headrest of the front seat side. Then I open the zipper on the ceiling a piece and put this side of the ceiling smooth in the footwell. Now my dog can easily walk into the foot and from there on the seat-belted zipper to-last attachment to the headrest mount and off you go. The fortifications and the zipper look quite robust, so I am of the opinion that it is good value for money.