A5 Wagyu is a type of beef that comes from several breeds of Japanese cattle and is graded based on its marbling, color, and texture. The A5 grade is the highest quality grade for Wagyu beef, and its known for its intense marbling, buttery texture, and rich flavor. The grading system for Wagyu beef uses a combination of letters and numbers and is used to rate the quality of Japanese beef. The letter grade (A through C) represents yield, while the number grade (1 through 5) represents quality. A5 Wagyu beef denotes meat with ideal firmness and texture, coloring, yield, and beef marbling score. The Japanese government has a strict quality assurance system that certifies the grade of Wagyu A5. Its important to note that any Wagyu purchased from other countries is subject to their own graded systems and should not be held in comparison to the A5 beef category.