1、Breathable and Ventilated Design: Cat backpack has multiple vent holes plus 2 side windows to feature complete air circulation and ventilation outdoor. 2、Panoramic View: The exterior of the pet carrier backpack is transparent to provide a clear, spacious view for your pet. 3、Widely Used: Pet carrier backpack is suitable for various small pets such as dogs, cats, rabbits, birds, ferrets, etc. 4、Zippered Opening: The side of the cat backpack carrier is designed with a zippered opening, making it easy for pets to get in and out and interact with the probe at any time. 5、Premium Material: Cat backpack carrier is made of premium wear resistant nylon fabric and waterproof PC material, durable and long service life. 6、Portable Design: The pet carrier bubble backpack is perfect for airplane travel, and this bag can be carried around with you.