Protect your furry friend from fleas and ticks with the Seresto Large Dog Vet-Recommended Flea & Tick Treatment & Prevention Collar. This collar is designed for dogs under 18 pounds and provides long-lasting protection for up to 8 months. It starts working quickly to kill and repel fleas on contact, so your dog doesn't have to suffer from bites. The collar is hassle-free, non-greasy, and easy to use. No prescription is required, making it convenient for pet owners.