Genuine 1.5" Wide Thick Leather Studded Dog Black Collar. Fits 17"-21.5" Neck, Large Breeds. Strong and durable 3/16" thick real leather. Light, elegant and not stif Nickel-plated hardware and heavy duty D-ring. Contrast color thick waxed thread stitching Overall length 25", will fit 17"-21.5" neck 1.5" wide double layer genuine leather 4 metal enforced adjustment holes