The benchmark of the Ultrahund collection, the Ultrahund Play Regular line of buckle collars incorporates Ultrahund premium quality polymer coated webbing, designed to provide a leather like look and feel but without the tendency to stretch, absorb water or retain odour. The colour-matched stitching (not riveted) assembly combined with the "true-fit" sizing provides the ultimate in fit, form and function designed to last for years. This collar is waterproof. No smell. Hygienic. Comes in a variety of brilliant colors complete with a glow-in-the-dark "dog tag. The 18 inch buckle collar is one inch wide and will accommodate a dog's neck size of between 16 and 20 inches. See sizing chart. See average breed sizing chart.