S: The adjustment range is 38-54, the rope length is 120cm, and the recommended weight is 4-13kg.1. A set of durable high-density materials can be used for a long time with long service life;2. Strong and can't break free, I-shaped design is strong and firm to prevent pets from breaking free, I-shaped small handbag, A Man Called Autumn Flower handbag-I-shaped chest and back combination;3. The project buckles the wild heart, and the POM project buckles conveniently and quickly to prevent from breaking free.4. The length of the Japanese character buckle can be adjusted, and the size of the Japanese character buckle can be adjusted; Rust-proof alloy buckle does not fade, has strong hardness and wear resistance, is tough and durable, does not rust and does not fade.5. Comfortable grip, comfortable hand lining, soft material, appropriate width and delicate hand lining.