The product is a premium, gem mint 10 graded Pokemon card set featuring Mewtwo EX from the Pokemon Trading Card Game. These cards are from the Japanese version of the game and have been certified by PSA as being in pristine condition. As a Champion stage card, this set is highly sought after by collectors and players alike for its rarity and power within the game. The Mewtwo EX cards are renowned for their strength and popularity among fans of the Pokemon TCG.