This two-tone medium and light oil leather dog collar is hand tooled with a leaf pattern. The collar is tooled on the adjustment strap and is neoprene padded on the neck portion for your puppy's comfort. Choose from a size option below: The Small collar will fit a dog's neck that measures between 13" to 16". The Medium collar will fit a dog's neck that measures between 15" to 18". The Large collar will fit a dog's neck that measures between 17" to 20". The Extra-Large collar will fit a dog's neck that measures between 19" to 22".