Brand New The Wilson The Duke NFL Replica Ball is the official size football used by the National Football League. Made of composite leather material, this brown-colored ball is designed for senior-level football players. With the Wilson brand name and the iconic The Duke model, this replica ball is a high-quality option for those looking to practice or collect their favorite NFL team's ball. Perfect for football enthusiasts and players alike, this official-size ball is a must-have for any football lover.