Material: PC board + 600D Oxford cloth Size: 34*25*42cm Features: Made of high-quality materials, durable, breathable and comfortable. The transparent design allows your pet to see the sun and scenery of the world from the outside. There are multiple vents on the side and front of the backpack, which can provide enough air circulation for your pet and let your pet breathe comfortably. The detachable soft bottom is easy to clean and hygienic. The holes in the bag help your pet breathe more easily. The side mesh pocket design is convenient for carrying snacks or water bottles. The zipper is smooth, easy to open and close, durable and practical. The ergonomically widened shoulder strap is easy to carry. It is very suitable for traveling, walking, hiking and going out. Note: If you have any questions or concerns, please feel free to contact us. For the following reasons, please allow 0.5-1 inch (1-3 cm) error for manual measurement.