Bayer Advantage II, Cat, over 9 lbs, 4pk

For cats over 9 lbs.. 4 month supply. Kills 98 - 100% of fleas and their larvae within 12 hours. Re-infesting fleas are killed within 2 hours. Breaks the flea life cycle. Effective up to 6 weeks. Applied to the back of the neck on cats. Spreads naturally on the skin surface at the hair root level. Aided by body movement to provide whole body coverage. Made in Germany. 6.5 in. L x 4.25 in. W x 1 in. H (0.2 lbs.). Water-resistant flea medication, so it continues to kill fleas even after shampooing, swimming, rain or exposure to sunlight. Do not use dog products on cats or cat products on dogs.