The Hartz UltraGuard Flea & Tick Cat and Kitten Collar is a powerful and effective way to protect your cat from fleas and ticks. This collar features a unique design that prevents the need for daily applications of toxic chemicals, and it has a fresh scent that helps repel fleas and ticks. The collar is easy to apply and it comes with a USB charger so you can charge your phone while the collar is on.