Design: This pet carrier is designed to support your pet's spine with horizontal carrying, ensuring comfort and ease of use, providing a secure fit that supports your pet's natural posture. Versatile: This backpack offers multiple carrying options. It can be used as a hands-free carrier, carried by hand, worn over one shoulder, or slung across the body for convenient travel. Breathable: The three-dimensional structure of the puppy carrier promotes airflow, helping to keep pets cool and comfortable by reducing heat and moisture buildup. Adjustable: The dog walking bag features adjustable buckles and detachable padded shoulder straps that help distribute weight evenly, reducing strain during walks or travel. Practical: The pet shoulder carrying bag includes a side pocket for storing small essentials such as treats or waste bags. Size Chart: Brown S Chest circumference: 35cm-41cm / 13.78in-16.14in Neck circumference: 25cm-31cm / 9.84in-12.20in Leg distance: 12.5cm / 4.92in Weight: 2-4 kg Package Includes: 1 x Pet Carrier Note: Please allow slight measurement deviations of 1-2cm (0.39-0.79in) due to manual measuring.