The product is a lot of 57 Japanese Pokemon TCG cards from the MEGA Dream set, featuring various attributes such as Water, Darkness, Fighting, and Psychic. The cards include popular characters like Mewtwo, Pikachu, and Dragonite, with a mix of Mega, TR, AR, SR, and Double Rare cards. The lot includes cards with Full Art, Extended Art, and Holo finishes, making it a valuable addition to any collector's deck. The cards are manufactured by Nintendo and are part of the Pokemon Trading Card Game.