Advantage for Large Cats 4 - 10kg  Advantage, applied once each month, kills fleas on your cat fast and breaks the flea life cycle. Advantage is easy to apply - you simply squeeze the pre-measured dose onto the back of your cat's neck. Advantage then spreads over your cat, remaining in the oily layer of the skin, where it is effective against fleas all month long. Best of all, fleas don't have to bite your cat to be affected, so with Advantage your pet suffers less of those painful flea bites. The top 3 benefits of Advantage 1) Fast relief from painful bites Stops fleas biting in 3-5 minutes Advantage kills fleas on contact - they don't have to bite 2) Prevents development of further fleas Kills 98%-100% of fleas before they lay eggs Prevents infestation if your treated pet comes into contact with other pets with fleas Kills adult fleas and flea larvae within 20 minutes of contact 3) Long-lasting and easy to use Drop Advantage on the back of your pet to protect them from fleas for 4 weeks