This heavy-duty collar is for the dog that works hard and plays harder. Dogs that hunt and retrieve aren't just running across the lawn in the backyard, they're tromping through reeds, brush and under fences and need a collar that can hold up to their daily activities. Mud River's Bootlegger collar is quick, easy, and adjustable. With durable nylon construction, steel lead ring, and a heavy-duty, plastic quick-release buckle, this collar is made to last from house to the field. Small/Medium: 15"-20", Large/Extra Large: 20"-26".