Weatherproof coated steel cable run line tie out set up. Secure this line between two stable objects like buildings or trees, and use the 10ft runner cable to attach to your pet's lead. Keep your pet within a safe area without fencing, and prevent entanglement by securing the line well overhead. 

Small is equivalent to 50 feet or 15 meters. Medium is equivalent to 75 feet or 23 meters. Large is equivalent to 100 feet or 30 meters.