✔ RECOMMENDED BY Veterinarians, Physicians, Chiropractors, Master Dog Trainers, and Canine Behavior Specialists (see below). ✔ FIELD AND LABORATORY TESTED to protect you and your dog from injury, pain, and repetitive stress. ✔ OPTIMAL STRETCH maximizes cushioning without compromising control. Used by the U.S. MILITARY and POLICE K-9 units. ✔FOUR SIZES to fit every breed. Durable, lightweight, easy-to-use extender attachment. ✔ PERFECT FOR walking, jogging, cycling, hiking, training and more. Made in the U.S.A. since 2004. UPC 689076291132 Size Large (up to 110 pounds) Color Black Pattern Dog Brand Name Jerk-Ease Unit Count 1 Count Item Weight 0.19 Pounds Closure Type Snap Manufacturer Vanex Industries, LLC Material Type Polyester Dog Breed Size Large Target Species All dog breeds