About this itemProvides 8-months of continuous flea and tick preventionFlea and tick collar for large dogs works through contact, so fleas and ticks do not have to bite your dog to dieVeterinarian-recommended flea and tick prevention for dogs in a convenient, odorless and non-greasy collar; No need for messy monthly treatmentsStarts to repel and kill fleas within 24 hours of initial applicationFlea and tick collar for large dogs also helps treat and control sarcoptic mange and kills lice

About this itemProvides 8-months of continuous flea and tick preventionFlea and tick collar for large dogs works through contact, so fleas and ticks do not have to bite your dog to dieVeterinarian-recommended flea and tick prevention for dogs in a convenient, odor