Our Bolonka Zwetna is because of his age and poor eyesight no longer so fit. Since we'd never give him pleasure, he always comes with. The purchase of this Trolley's was the right decision. This backpack-combination can carry or pull easily. The dog must place and feels comfortable. Even drive on the back when bike prima einsetzbar.Die drawbar is high enough. (We are all about 1.72 cm.) In the two side pockets quite fit in. (Drinks tray and a bottle of water)