Put your pup in style with a Trista's Sunshine Company dog bandana! Dog bandanas come in small, medium, or large to fit all kinds of dogs. Small is approximately 11.5" in neck length and 1.25" in collar opening. Medium is approximately 13" in neck length and 1.75" in collar opening. Large is approximately 17" in neck length and 2.5" in collar opening. Each bandana is handmade so neck length and collar opening may vary slightly.