Torrix pet collar is an excellent tick repellent method recommended by veterinarians. The length allows it to fit any sizes of pets from small to large. Especially, it's easy to use and convenient. You do not need to spend much time and money buying shampoo or visiting the vet anymore. Simply place the collar around pet's neck, adjust to fit and buckle in place. In addition, Torrix flea prevention collar is designed to waterproof and remains working under wet condition. Under normal conditions, our pet flea collar can last for 8 months. An outstanding advantage is that it causes no allergy to your pet. The collar is made of natural ingredients including Eucalyptus and Citronella oil, so don't worry about your pet's skin issues. The product is absolutely safe, odorless and non-greasy.