Bayer Seresto Flea & Tick Collar Large Dog 18+ lb

Provides 8 months of continuous flea and tick prevention for dogs above 18 lbs.
Seresto flea and tick collar for large dogs work through contact, so fleas and ticks do not have to bite your dog to die.
Veterinarian-recommended flea and tick prevention for dogs in a convenient, odorless, and non-greasy collar; No need for messy monthly treatments.
Starts to repel and kill fleas within 24 hours of initial application.
Flea and tick collar for large dogs also helps treat and control sarcoptic mange and kills lice.