Advantage is an easy to apply topical flea treatment formulation that is applied monthly to the back of your pets neck. Advantage is effective against fleas all month long. Best of all, fleas don't have to bite your pet to be affected, so with Advantage your pet suffers less of those painful flea bites. Advantage is available in different sizes, and is packaged separately for cats and dogs. For more information visit www.bayeranimal.com.au