More Durable and Safer: This heavy duty dog leash is made of 1/2 inch diameter rock climbing rope with a lockable safety carabiner for a secure connection and 360° rotation at any time, which is tough and durable enough for medium large dogs Bright Reflective Threads: When walking your dog at night, visibility is key to keeping you both safe. Bright reflections will glow at night, adding to the safety of night walks Comfort Double Handle: The soft padded handles provide amazing comfort, protect your hands from rope burns, and the extra traffic control handle gives you quicker and safer control in busy crowds. The O-ring on the main handle can hang what you need Perfect for Daily Use: 5FT /6 FT dog leash is great for walking, running, training, jogging and hiking. Available in two diameters: 1/2 inch, 1/3 inch; 1/2 inch more heavy duty is suitable for medium large dogs, and 1/3 inch is lighter for small medium dogs