Four USDA Prime Filet Mignon Steaks - Combo Pack of 4 Beef Tenderloin Fillet Mignon Steak, Aged 21 days Go to amazon.com Related posts Top 9 recommendation filet mignon for 2022 Feature5 ozAged 21 daysUSDA inspectedRestaurant TrimedPrime DescriptionFour USDA Prime Filet Mignon steaks - 5 oz. each, these steaks are dry-aged 21 days, and "restaurant trimmed" of excess fat.