Size: 80cm. Neck circumference: 70cm, with the inside being a few centimeters shorter. Chest circumference: 80 to 100cm. Safe nighttime walks with reflective material. 【Material】Neoprene cushioning on the parts that fit the body. 【Shape】Y-shaped type, so it puts less strain on the neck and trachea. Both the "material" and the "shape" are gentle on your dog. Y-shaped, yet difficult to shift to the sides! Neoprene rubber reduces the burden on the body. Reflecting Japanese design ideas. Neoprene is quick-drying and gentle on your dog's skin. Buckles on both sides, allowing you to put on and take off the harness without lifting the legs. One key point is the figure-eight design, which makes the harness fit the body. Great for parks and dog runs. Your dog at home will also enjoy walks!!