TICKLESS® Pet - Chemical-free, ultrasonic tick and flea repellent for petsChemical free, ultrasonic tick and flea repellent for cats, dogs, and other lovable furry animals. Ticks and fleas could cause many dangerous illnesses, and everybody wants to protect their furry friend from these dangerous parasites, but in a safe way. Traditional tick repellents often mean harsh chemicals. If you want to avoid not only these parasites but also occasional allergic reactions when using chemicals, choose the chemical free TICKLESS