First Quality® is the market leader of Adult Incontinence Products in the U.S. Long Term Care market by creating value beyond providing products. Prevail® diapers were designed for every single one of us, because LOBC (loss of bladder/bowel control) can affect anyone, at any stage of life. But losing control over elimination doesn’t mean losing control over your life. Prevail® adult diapers were created to help people live their lives without restrictions.