Canine Equipment Adjustable Bungee Dog Coupler Strong but soft tubular webbing, high quality internal shock cord and hardware is stainless steel to resist wear. Adjustable tangle free design Use to walk multiple dogs or as a leash extension, length of 13 to 17 inches Perfect for use with the Canine Equipment Ultimate Pulling Harness sold separately www.amazon.com/Canine-Equipment Canine Equipment stands behind the legendary quality and craftsmanship of their products. Thats why they are committed to offer a repair or replace guarantee on all their products - broken or damaged - for the life of your pet. Please find guarantee information on Canine Equipment website for all purchases after 30 days.