Dogs My Love Brown Faux Leather Spiked Studded Dog Collar 21.5"x1.5" for Medium/Large Breeds Fits 17"-20" Neck The collar is made of high quality PU (Faux) leather. Light, elegant, not stiff Nickel-plated hardware and D-ring Overall length 21.5", will fit 17"-20" neck 1.5" wide double layer PU leather, 3/4" tapered ends provide easy buckling and give collar a streamlined look 5 adjustment holes