Genuine Thick Leather Collar for Medium Dogs 15"-20" Neck Size, 1" Wide, Black Very comfortable and pliable. Strong and durable real leather. Light, elegant and not stif Trimmed with contrast color thick waxed thread, and riveted for extra strength. Features nickel-plated hardware and heavy duty center D-ring Overall length 22", will fit 15"-20" neck. 4 holes for adjustment. Most suitable for Medium size dogs 1" wide double layer genuine leather.