Ethical Pet Products (Spot) Play Strong Collar Brown Green Solid Medium 14 - 18 Inches Uses the newest technology to offer high quality, durable, long-lasting rubber collars. Won't fade, crack or peel. Comfortable, high-gloS backing is smooth on your dog's coat. Ideal for dogs that love to swim or romp in the rain waterproof. Bacteria and odor free; won't harbor odor, sweat, bacteria or mildew. Dirt, mud and grime easily wash off for a fresh, clean and hygienic appearance. Rubber collar. acteria and odor free 4" - 18"