Seresto® collar is effective thanks to its innovative combination of materials and active ingredients known to be effective, offers up to 8 months of continuous protection against fleas and ticks on dogs and cats. Eight months of protection and peace of mind against fleas and ticks Benefits: Fleas and ticks can be extremely uncomfortable for your dog. They are parasites that feed on blood and produce bites that can be painful. Furthermore, if they are infected, they can transmit serious diseases. With Seresto® you can avoid this easily. Kills fleas. And kills and repels ticks. It lasts up to 8 months. Fits your dog, whatever their size and you can put it together with a regular collar. It has a safety release mechanism releasing your dog if he is hooked. It has a controlled break point. A second level that comes into operation if the opening mechanism of security is not enough. It is made with an innovative combination of materials and increase functionality. It allows release and controlled low dosage of the active ingredients. It is safe for your dog, family and the environment in addition: The package protects the active ingredients to the moment you use Seresto® and it contains a leaflet with all the information you need and the cabinet is 100% recyclable.