Wagyu Ribeye Steaks Exotic Kitchen Amazon.com : Japanese Kobe Beef Wagyu Ribeye Thick Steak 4 5 lb A5 A5 Super Premium Wagyu Ribeye Steak Yakiniku Plaza Wagyu Ribeye Steak with Grilled Vegetable Stock Image Image of. Known to many as the King of Steak, the Wagyu ribeye delivers world class flavor and presentation. It can be prepared in a variety of ways and satisfies the largest appetites (or split between two smaller eaters). In addition to boneless ribeye cuts, we also offer bone in Wagyu cowboy and Wagyu tomahawk steaks. Average weight: 12 oz. Locally raised and processed Ships in eco friendly insulation Ships frozen BC20: Hints of buttery flavor to go with exceptional tenderness. Intramuscular fat percentage of 20 29%. BC30: Maximum richness, tenderness, and buttery flavor create a world class steak experience. Intramuscular fat percentage of 30 39%. BC40: An elusive class of truly extraordinary beef, consistent with the quality found in Japan and rarely found in America. Intramuscular fat percentage of 40%+. Learn more about our marbling grade here.