Attach the splitter to your leash & you’ll be able to walk two dogs with ease. The leash splitter encourages dogs to walk together & not against each other, saving you from tangled leashes. Medium: Total length (from top ring to snap): 13" (33 cm) 9mm diameter rope Large: Total length (from top ring to snap): 18" (45 cm) 12mm diameter rope Shipping: USPS First Class Other: Blink is not responsible for any injuries (human or animal) due to improper usage. Leashes are handmade. There may be slight variations in length. Leash Splitter Custom Double Pet Leash For Cats & Dogs; Coupler Leash; Sizes M L