Clear Plastic Pet Stall, Dog Enclosure and Small Animals DIY Zone Enclosure for Cats with Top Grate - To divide the zone for the baby or to divide the zone for the new cat kennel to be safe - Wide space to live comfortably - Can be connected as a single square layer or can be stacked 2 layers (2 layers use 2 sets) - There's a door in and out. The door is lockable.