Fleas are a fact of pet life—when they happen, they happen, but that doesn’t mean you can’t take action before they occur. The Vet's Best Flea + Tick Home Spray + Seresto Flea & Tick Collar for Dogs, over 18-lbs bundle will help you to repel and kill fleas, ticks, and more to protect your precious pup. Defend your home and your dog, and rest assured that these safe and innovative measures are safe and secure long term solutions for dogs 12 weeks or older.