With an adjustable length, this product make your walking with pets more enjoyable and comfortable. It gives them just a little bit more freedom! Features: Help control dogs at busy roads and intersections keeping your pet safe and under control. Strong and durable, suitable for most kinds of pets. Bring your walks more enjoyable and comfortable. Perfect product for training dogs while walking, jogging or even running without any hassles. Specifications: Size: S, M, L, XL, 2XL (Optional) Color: brown, blue, green, pink, rose red, black (optional) Item weight: 90g / 3.17ounce Package weight: 95g / 3.35ounce Package size: 100 * 100 * 40mm Package List: 1 * Collar