Protect your furry friend from fleas, ticks, and mosquitoes with Sergeant's K-9 Advantix II for dogs weighing 55+ lbs. This powerful formula not only kills and repels these pesky pests but also prevents their eggs from hatching, ensuring long-lasting protection. With just one easy application, your dog will be shielded from harmful insects for up to 30 days. Advantix II is waterproof, so your pet can still enjoy outdoor activities without compromising their safety. Keep your dog happy and healthy with this trusted and effective solution that provides unbeatable defense against fleas, ticks, and mosquitoes.