This dog harness is made of polyester mesh fabric, breathable and comfortable. it has a 47” Zine-alloy traction hook on the back. Reflective pet chest strap design, makes it visible in dark night and low light conditions, improves pets safety. And the vest-type design reduce the stress of the chest and shoulders. The adjustable chest strap can fit the dog’s body more. You can attach a traction rope to control the pet while walking, running, shopping and training, enjoy freedom and safety.