Pet mobile safe house: This cat bubble backpack is strong and wide, with durable fabric, large space and convenient storage. It can not only resist animal bites, but also prevent the cat backpack from collapsing and squeezing the pet. All zippers are equipped with locks,and built-in safety leash ensuring the safety of pets and preventing them from escaping, while also allowing owners to take their pets out with peace of mind. Breathable cat backpack that can block UV rays: The large mesh on both sides of the cat carrier allows natural wind to pass through easily, making the air inside the backpack smooth and comfortable. Lowering the waterproof sunshade can block UV rays from directly entering the cat bag. Comfortable Carrying Experience: There is no pulling feeling when carrying the cat, and you dont need to bend down when carrying it. The one-piece 3D printed back panel fits the back and improves the breathability of the back. A good cat backpack not only serves pets, but also serves pet owners. Thoughtful Features: Includes front and side storage pockets for carrying pet essentials, snacks, leashes, waste bags, or medical records. The pet backpack is foldable for easy storagewhen folded, it becomes slim enough to fit into a drawer, saving space. Comfortable and soft padding brings a good outing experience for pets. The padding can be removed for machine washing easly. Friendly Reminder: Before purchasing, please measure your pet's size. The dimensions of the dog backpack are:16.5"12.6"10.2" (423226cm) . Suitable for cats under 13.2lbs(6KG); suitable for dogs under 11lbs(5KG) with a body length not exceeding 16.4"(40cm). Pets weighing around 6.6-8.8lbs(3-4kg) will find it more comfortable. Pets under 6.6lbs(3kg) will have plenty of room.