Expandable Carrier with Litter Box Area 24×17×17 in for CarCar Trip Cat Cabin For longer drives or days out with up to three cats, this carrier keeps travel routines organized with a built in litter box area and a side expansion section. Set it up in the car, secure it in place, and give your cats space to settle, stretch, and rest between stops. The mesh panels keep them visible so you can check in while you drive. Room to Stretch, Space to Stow This carrier combines a metal frame with polyester panels for a