Description of Ruff Wear Knot-a-Leash™ This tough, rugged, climbing rope-inspired leash is safe and secure with reflective trim and a locking carabiner. Climbing rope-style construction makes the Knot-a-Leash™ compact and comfortable for both you and your companion, and a locking carabiner keeps leash and collar securely connected. Whether it's a trot through town or a romp on the trail, humans will appreciate the Comfortgrip webbing handle while canine counterparts enjoy 5 feet of freedom. Features: Screw-gate locking carabiner provides an additional level of security 7-millimeter rope is lightweight and compact 10-millimeter rope is tough enough for your most zealous companion Reflective trim woven into the leash improves visibility and safety in low light Knot-a-leash size length Small 7 mm rope 5' length (1.5 m) Large 10 mm rope 5' length (1.5 m)