This coupler will allow you to walk two medium dogs on one leash, eliminating multiple leashes in hand. 12" x 3/4" * Each side of the 12" couplers are 12 inches long (3/4" wide), separating dogs by up to 24". * High quality swivel clip hardware. * Professionally packaged with Downtown Pet SupplyTM Logo * Clips have swivels, making walking even easier and more efficient