Everything you need to address fleas, ticks, and mosquitoes for your dog 4 months or older. This plant-powered, proven-to-work trio includes a Flea & Tick Pets Home spray and collar (fits necks up to 21") in a fresh peppermint scent along with a yard spray that treats up to 5,000 sq ft. This is the kit to have when you're dealing with an active issue or preventing one.