Keep your pet safe with the Tickless Classic Pet Natural Ultrasonic Tick & Flea Repeller Cat & Dog Collar. This innovative collar repels fleas and ticks with a series of silent ultrasonic pulses, without the use of harsh chemicals or odors. The water-resistant design is safe for even young, elderly, ill, or pregnant pets and is available in a variety of colours. Protect your furry friend today with the Tickless Pet Natural Ultrasonic Tick & Flea Repeller.