Travel safely with a cat carrier backpack The backpack cat carrier is an essential accessory to be used during all trips, carriers and bags become for your cat a safe and comfortable place to take refuge during trips by car, train, ship and plane. Cat carrier backpack in bright colors The Catmania Tomodachi cat carrier is a practical backpack with bright colors to always carry your 4-legged friend with you and let him have fun exploring the world around him thanks to the two PVC portholes on the side. The carrier is made of super resistant nylon, with an opening on the side to circulate air inside and a convenient zip closure.