The product is an 8 x 10 photo of Khalil Mack, a former player for the Chicago Bears in the NFL. It is an original autograph signed by Khalil Mack and comes with a Certificate of Authenticity from LF Sports Memorabilia, ensuring the legitimacy of the signature. The photo is a collectible item for fans of Khalil Mack and the Chicago Bears, making it a valuable piece of sports memorabilia.