Endure Roll-On for Horses is a convenient, ready-to-use formula, provideing repellency, quick knockdown, and 5- to 7-day protection from flies and biting gnats. Contains a sun-screening agent for added protection and beneficial conditioners for the skin and coat. Repels house, face, horn, deer, stable and black flies as well as gnats. May also be applied around superficial wounds and abrasions.