KILLS FLEAS - Fleas jumping onto your treated dog are killed within 24 hours, preventing infestations from building up KILLS TICKS - Ticks latching onto your treated dog are killed within 48 hours, helping to reduce the risk of disease transmission TRIED AND TRUSTED - FRONTLINE's original vet-strength formula has an exemplary safety profile EASY APPLICATION - Simply empty one pipette onto your dog's skin at the back of the neck and it will quickly spread over their coat - it's as easy as that TREAT MONTHLY - It’s important to treat your pets year-round to prevent flea and tick infestations. One 3-pack provides your dog with 3 months of protection