Seresto is manufactured by Bayer, a leading name in the healthcare industry for over 150 years. Finding its roots in making aspirin for people, Bayer ultimately committed itself to keeping pets happy and healthy as well. With the belief that cats and dogs deserve the same treatment as their human counterparts, Bayer has created a legacy of innovation and quality that guides them in every step. Founded in 1863, Seresto is the latest in a long line of breakthrough products by Bayer, offering unparalleled protection against fleas and ticks. Using an innovative delivery system through an easy-to-use collar, Seresto provides flea and tick control for dogs for an astounding eight months. The unique formula uses veterinarian-recommended ingredients, and offers continuous flea and tick protection with the same superior performance found in topical treatments. Non-greasy, odorless, and water-resistant, the collar also comes equipped with reflector clips to keep your dog visible at night.