The Leash Lock Keyless Retractable Dog Leash is the best way to keep your pup safe when you are out and about! Leash Lock's patented locking technology for hands-free use that keeps your pets safe and within reach. Anti-tangle design for a smoother walk. The retractable dog leash extends to 16 feet and holds up to 110 lbs. It has an ergonomic handle for a comfortable grip. This dog leash is approved by Kevin Harrington, an original Shark from Shark Tank.