【Comfort and Convenience! Safety】Large-area breathable mesh fabric ensures your pet's comfort - The 4 large breathable windows of the pet carrier backpack are designed for visibility and air ventilation. Dogs or cats can observe the surroundings well, feel relaxed and have a good mood in the carrier. Note: Because the bag is soft, it cannot maintain its perfect shape. And the maximum weight is 5 pounds. 【High Quality】: The pet carrier backpack is made of strong, durable, and lightweight polyester material, which is not easy to break or tear when your dog is playing. Safe and non-toxic, no need to worry about damage caused by scratching or gnawing, ensures the comfort of the pet. 【Ergonomic Design】: This dog/cat backpack is ergonomically designed to reduce the pressure on the shoulders and effectively increase the comfort level of the human body. The entrance of the backpack is very large and can be rotated 180 degrees. It is very convenient for pets to enter. 【Hands-Free Pet Backpack】: It has two side storage bags for your pet's extras, such as storing leashes, water, snacks, toys, and other essential supplies. Convenient to enjoy the sunshine and scenery with your furry friend while hiking, traveling, shopping, or cycling. In addition, this backpack also folds for easy storage.