SportLeash Dog Leash Coupler | Dog Leash Splitter | Short Lead | Double Dog Leash Coupler DURABILITY: Dual-layer industrial-strength nylon webbing (twice as thick as normal nylon with over 4,000lb tensile strength) boasts a heavy duty dog leash coupler with a built-in short lead system. SIZE: 14" long (1" width - primarily for medium/big dogs with a standard 6'x1" leash). QUALITY: Proudly handcrafted in the United States with the highest quality materials on the market! SAFETY: Bright, neon colors for added safety and visibility at night.