Product Material: polyesterColor: Black Blue GraySize:S - suitable for pets 11.8-13.3 ' (30-34 cm) chest and 3.3-6.6 pounds (1.5-3 kg).M - suitable for pets who are 35-40 cm (13.7-15.7 ') and weigh 3 to 4.5 kg (6.6-9.9 pounds).L - suitable for pets 16.1-18.1 ' (41-46 cm) chest and 11-15.4 pounds (5 to 7 kg).XL- suitable for pets with a chest circumference of 47-52 cm (18.5-20.5 ') and a weight between 7.5-10 kg (16.5-22 pounds).Package contents: 1 * chest strap for pets + 1 * pull rope1. Easy control - Our dog harness has an aluminum traction hook on the back. You can attach a pull cord to control the pet while walking, running, shopping, and exercising. You can enjoy freedom and security.2. Reflective and Safe - The reflective design of the dog harness belt makes it visible in dark night and low light conditions, and improves safety when dogs and cats are walking at night. The vest-like design evenly distributes the stress area of the chest and shoulders and reduces the dog's stress.3. Soft and Comfortable - The dog harness is made of mesh material, the front material is breathable and comfortable, and the dog is not stuffy. The inverted fabric is delicate and soft, and the weaving threads are dense and will not stick to dog hair.4. Easy to put on and take off - The adjustable chest strap fits the dog's body better. You can attach the buckle after attaching the Velcro. This is safe and secure. Dressing and undressing is so easy and quick in two steps.5. The dog harness set with leash - You can hang up the leash directly through the sturdy D-ring collar hole. Then you can go for a walk or jog with your dog. The dog harness can also serve as a travel harness. It also allows you to secure your dog in the car.