Large Cat Carrier the Sturdy and flexible fiber frame for easy assembly, folds flat when not in use for easy carrying and storing. The carriers can be used separately, or combined into a giant cage. There are also two bucThere are also two buckles on the front of each crate so you can place the cat cage in your car seat and use the seat belt through the carrier to prevent wandering. The equipped cat tunnel folds flat and easily fits into the provided storage bag. It is very simple to install and the three tunnels zipper together easily. It also comes with a portable litter box and a shoulder strap. Overall this is a perfect carrier for multiple pets, and provides them with lots of space on long trips.