Keep your cat happy and healthy with the Alzoo Flea and Tick Collar for Cats. The ingredients repel fleas, ticks and mosquitoes for a comfortable and itch-free feel, and it lasts up to 4 months for effective protection day after day. The waterproof design allows you to bathe or let your cat out in the rain without worry, and the cat collar is cruelty-free ensuring you feel good about your pet-friendly purchase. Contains no toxic ingredients. Proudly made in the USA.