Use Steradent Fixative for extra assurance and comfort during those critical moments throughout the day. Ultra 3 Fixative provides: - Hold that lasts up to 12 hours. - Protection from food particles getting under the denture. - A flexible, elastic cushion under the denture to improve wearing comfort. - For ultra control and comfort, all day long! - Extra strong hold, holds all day long. - Helps to keep out food particles. - Helps improve wearing comfort.