Seresto effectively kills and repels fleas and ticks through contact ? no biting required. Plus, it works for 8 continuous months, saving you from the hassle of monthly topicals or orals. When they?re protected from fleas and ticks, your dog can stay focused on the unique quirks and behaviors that make them, well, your dog. Seresto? for dogs offers the performance you expect from a monthly flea and tick treatment like topicals or pills, with the convenience of an easy-to-use 8-month collar. You read that right: One effective, odorless, non-greasy collar equals 8 months of protection. Benefits: Kills and repels fleas and ticks through contact - no biting required Provides 8 continuous months of flea and tick protection for dogs Aids in the treatment and control of sarcoptic mange, and kills chewing lice Easy to apply, odorless, non-greasy and water-resistant**