Active Ingredients: Margosa: A powerful natural repellent that is continually released, providing maximum effectiveness against fleas, ticks, and flies. Features: Effective Repellent: Offers long-lasting protection against common parasites such as fleas, ticks, and flies.Reflective Coating: The collar is designed with a reflective coating to enhance visibility and ensure your cat can be easily seen at night.Bell Included: Comes with a bell to alert wildlife and keep your cat safe. Ensure your cat's comfort and safety with the Bioline Flea and Tick Collar, providing reliable protection and added nighttime visibility. Active Ingredients: Margosa: A powerful natural repellent that is continually released, providing maximum effectiveness against fleas, ticks, and flies. Features: Effective Repellent: Offers long-lasting protection against common parasites such as fleas, ticks, and flies.Reflective Coating: The collar is designed with a reflective coating to enhance visibility and ensure your cat can be easily seen at night.Bell Included: Comes with a bell to alert wildlife and keep your cat safe. Ensure your cat's comfort and safety with the Bioline Flea and Tick Collar, providing reliable protection and added nighttime visibility.