FREE YOUR HANDS - This dog harness with built-in retractable dog leash. When you are outdoors, there is no need to frequently tie or untie the leash on your dog，just slowly release the leash and let it automatically retract into the dog's harness, freeing your hands and fully enjoying the interaction and playful moments with your dog SAFE AND PRACTICAL - The core of All-in-One dog harness and leash set features an automatic lock stretchable leash, which ensuring that you can free your hands in the outdoors, and also preventing the dog from suddenly escaping and getting out of control, ensuring a safe walking experience COMFORT AND BREATHABLE - The dog harness is made of high density oxford surface, wear-resistant, waterproof, exquisite workmanship and not easy to tear or break. The chest and abdomen are lined with lightweight mesh and soft padding, comfortable and breathable, protecting your pet's skin while giving them a more comfortable wearing experience FREELY ADJUSTABLE - The pet vest harness has 4 easily adjustable straps that provide the ideal fit for dogs of different breeds and sizes, with a comfortable fit, freedom of movement and additional growth space without worrying about slipping out or choking EASY ON AND OFF - It takes seconds to put on and take off the dog vest harness. This pet harness comes with 2 quick release buckles for easy on and off. Simply put the harness over your dog's head, buckle up, adjust the straps, and you're done