The Craveit Flea and Tick Collar for Large Dog is a long-lasting and effective way to protect your dog against fleas and ticks. Made with a natural essential oil formula, this collar provides continuous protection against these two pests for 8 months. The collar features a durable, waterproof design and an emergency breaking point that allows your dog to walk and play in the rain or wet snow without worry about their safety. There are multiple nodes on the collar to ensure that it can be adjusted to the length that best suits your dog and is suitable for all types of dogs.