Johnsons Flea & Tick collar for Cats is a water resistant collar that will kill fleas and ticks.
The collar will prevent further re-infestation for up to 4 months. Flea kill begins almost immediately, but it may take several days for the active ingredient to spread throughout the entire coat.
Do not allow animals to chew the collar, if the collar is damaged remove and dispose in household refuse as the product is extremely dangerous to fish and aquatic life. Keep out of reach of children. For external use only.