The Pet Carrier Backpack with Tunnel is a versatile and practical choice for pet owners. Its unique design includes a foldable cat tunnel with a plush ball at the entrance, providing a fun and interesting way for pets to travel. The air-permeable mesh material enhances ventilation and multiple entrances and exits allow for easy access to pets. The backpack is made with a firm frame and durable elastic steel wire to withstand pets' activity. Safety features such as a lockable zipper and anti-escape rope ensure pet's security. The backpack and tunnel can both be folded for convenient storage and transport. The adjustable shoulder strap and storage bags add to the comfort and convenience for both pet owners and pets. This backpack is also suitable for use as a cat toy on its own. Be sure to trim your pet's nails before use for best results. Experience the benefits of the Pecute cat tunnel backpack - a perfect combination of functionality and entertainment.