Fresh scented, for use on adult cats and kittens 12 weeks of age and older Kills and repels fleas, ticks, flea eggs and flea larvae, plus prevents flea eggs from hatching for a 7 month duration. Can be worn simultaneously with your cat's regular collar Reflective strip reflects direct light up to 450 feet for added visibility Water-resistant design won't cause loss of effectiveness if your favorite feline takes a stroll in the rain Features a breakaway, safety release snap