Durable and Expandable: Made from waterproof Oxford cloth and solid ABS material, this cat carrier backpack is built to last. It also features an expandable design that allows for additional space, providing more room for your pet to move around and stretch during longer trips.Convenient and Comfortable: The cat pack is designed for ease of use with adjustable shoulder straps, a sturdy handle, side storage pocket and a padded back panel, ensuring maximum comfort for the wearer. It also includes ventilation holes and a soft, cozy interior to keep your pet comfortable and secure during travel.Versatile and Travel-Friendly: Perfect for travel enthusiasts, this cat bubble backpack is ideal for various situations, including outdoor adventures, camping, hiking, trips to the vet, or simply taking your pet along for a walk. 【Travel in Style】Let your pet travel in style with our eye-catching clear window design that lets them keep a close eye on their surroundings. The included 2-side mat and flannel blanket make travel even more comfortable for your furry friend. 【Excellent Ventilation】Our carrier has 9 large ventilation holes on both sides, ensuring your pet always has access to fresh air. The side expandable anti-scratching net provides maximum breathability, allowing your pet to enjoy outdoor time with you. 【Functional and Safe】Our pet carrier is well-made with high-quality, pet-safe materials that are easy to clean and lightweight. The pocket on the side is perfect for storing pet snacks,. Its stylish design is both functional and sturdy. 【Stay Close to Your Pet】Our carrier can be carried in front of your body, allowing you to stay close to your pet. The opening on the side is perfect for calming your nervous cat. It is also airline approved, but be sure to check with your airline beforehand.