The product is a 2023 Donruss Retro Variation Red #264 trading card featuring baseball player Mark McGwire. This card is serial numbered 645 out of 2023 and is part of the Donruss set for the 2023 season. The Retro variation adds a unique touch to the design of the card, making it appealing to collectors and fans of sports trading cards. This item would be sought after by collectors looking to add a special Mark McGwire card to their collection.