The bungee coupler has an elastic core that stretches and recoils absorbing shock and keeping the slack from tangling under paws. * Large size in red is pictured. * Bungee Coupler measures 28" end-to-end when fully extended and 14" end-to-end when relaxed. The max distance between your two dogs when attached to the Bungee Leash Coupler is 28 inches. * Small: 1/2" wide, best for dogs under 10- 25 lbs each. Large: 1" wide, best for dogs 25+ lbs.