ULTIMATE BREATHABILITY: Top-grade oxford cloth and mesh material, good wear-resistance, bite resistance, superior material and stylish look. With Great breathability and ventilation. EASY TO USE: With a telescoping handle and dual wheels, maneuvering this rolling backpack is a cinch. Just load your pet into the bag, and you’ll be able to take them everywhere you go. VERSATILE: Pet's Rolling Pet Carrier helps save space when you need it and provides extra room and comfort for your pet when traveling. You can roll it through the airport like a traditional piece of luggage, or you can convert it into a backpack to get places faster and easier. AIRLINE APPROVED: If youre planning on traveling and need a carrier that is airline approved, our carrier allows your pet to travel with you on most major airlines. EXTRA STORAGE: Our rolling backpack features zippered side pockets which allow for convenient storage of water bottles, waste baggies, treats, toys, and additional pet supplies. The case is both removable and washable.