Cat Backpack Carrier, Breathable Cat Bubble Backpack Large Space Cat Carrier Backpack for Kitty Small Dog, Foldable Airline Approved Cat Backpack, Transparent Pet Travel Backpack Up to 20 lbs (Blue)Brand: YUNLINLI Color: Blue Features: VENTILATED BUBBLE BACKPACK: The cat backpack is designed with a transparent bubble window so you can watch your cat's every move inside the backpack, and there are also 10 vents on the backpack to ensure the continuous flow of fresh air inside the backpack, so your cat can breathe well ROOMY & STORAGE: This cat backpack carrier has a spacious interior that provides plenty of room for your cat to move and stretch.