DETAILED DESIGN: Leg and tail design ensure your pet's safety and comfort; hook and loop, zipper and elastic opening allow you to comfortably store your dog inside; the quick-release buckle at the end of the shoulder strap ensures quick one-handed installation. Customer experience comes first: we are always behind our customers and do our best to meet to your needs. We have made several improvements, such as thickening the foam in the shoulder pads, using an improved breathable mesh and polyester for more durable and comfortable support. Two modes of transport: if you prefer , you can wear the hands-free harness in the front or back, bringing you closer and adding safety to your pet when carrying your cat or dog. At the same time, the thickened sponge pad helps reduce the burden on the shoulders. Enjoy traveling with your pet: This backpack is lightweight and portable, you can use it to carry a puppy or kitten for biking, hiking, canding, walking or meeting friends. It allows owners to have more adventures with their adorable pets, and more importantly, it's also a great photo prop for sharing fun photos every day. Size: The left and right feet are 4.5cm wide, front and back feet are 11.5cm wide, the length of the bag is 26cm, the chest circumference is 44cm, and the recommended weight is 3 to 5 cats. Notify In Advance: Due to manual measurements, please allow for slight differences in size. There may be a slight color difference due to different monitors.