Whether its a tough hike over rough terrain or an easy walk in the park, the rugged, climbing-inspired Knot-a-Leash provides security and comfort on any adventure. Strong and secure collar attachment with locking carabiner. Strong, supple kernmantle rope. Comfortable, easy to hold tubular webbing handle. Convenient accessory loop for pickup bags or small clip-on items. Integrated reflectivity for low-light visibility. Overall length is 5' in length. Diameter of rope is 7mm for Small, 10mm for Large leash.