This slip leash acts as a leash and a collar in one. Simply slip the loop over your dogs neck and use the handle end as a leash. Leash and collar in one combination that is great for training and known for its ease of use. Mendota Slip Leashes are hand made in the USA using premium quality material. 1/2″ x 4′ and 1/2″ x 6′ for dogs over 50 pounds. Materials: Brass, satin nickel or black metallic hardware and oil tanned leather splices.