1. Three-dimensional surround, effective and scientific force dispersion: designed according to the dog's body curve, perfectly fits the body shape, easy to wear, softer and does not squeeze the neck 2. Classic two-piece design, comfortable and load-reducing structure 3. Close to the body without being stuffy, soft and comfortable to wear 4. Highly reflective, no fear of the night: highly reflective with a little light, ensuring the safety of dogs going out at night 5. Four-point adjustment, high adaptability: suitable for most dog sizes