Zipper on the first day after use broken, hooked, our dog konnt with the nose press on the zipper. We have this box ordered twice. In the first, the linkage could not be pushed ineinnander, in the second above-described problems. Strong acrid smell of chemicals and then it was not possible with this company or shipping contact auzunehmen.Wir spent several days trying to achieve this delivery, either busy or you were forced away. Return of goods is very complicated because there is no delivery or return certificate available. we can not explain the good reviews. the only positive is that you can fold the box together.