Features: 1. Small Backpack Big Energy: Different from ordinary pet harness, the biggest feature of this Harness Vest is that it has a small backpack with zipper closure, which makes it easier to carry food, poop bags, toys, first aid or other daily necessities, and can also help overweight puppies to carry weight and exercise, it's a very fun harness. 2. Breathable & Lightweight: This cute dog backpack is made of breathable and comfortable material to protect your dog's skin. The weight of the bag is very light and will not be a burden on the dog. Your dog will enjoy the daily walk with this dog harness. 3. Adjustable & Escapeproof: This cat vest harness comes with adjustable buckles that can be adjusted to fit your dog perfectly, preventing the dog from escaping. The D-Ring on the back is convenient to attach a leash. The draw rope is thick, it will not break even if it is pulled with force, and the rope fabric is high in softness and will not hurt your hands. 4. Easy To On & Off: The puppy harness and leash set is easy to put on and take off, you can conveniently put it on your dog and remove it with a quick-release buckle. Our harness is suitable for walking, training and running as it's designed to prevent pulling. 5. Size Optional: S: Neck Circumference: 24-34cm, Bust Circumference: 28-42cm, Fit For: 1.5-3.5kg, Cord Length: 1.5m. M: Neck Circumference: 28-44cm, Bust Circumference: 32-52cm, Fit For: 3.5-7.5kg, Cord Length; 1.5m. Specification: Material: Twill Fabric Color: Purple, Pink Product Size: S: Neck Circumference: 24-34cm, Bust Circumference: 28-42cm, Fit For: 1.5-3.5kg, Cord Length: 1.5m M: Neck Circumference: 28-44cm, Bust Circumference: 32-52cm, Fit For: 3.5-7.5kg, Cord Length; 1.5m Product Weight: 200g Package Included: 1 x Cat Dog Backpack Harness with Leash