The product is a Union Arena collectible card featuring the character William Vangeance, from the set UE08BT: Black Clover. This particular card is an Uncommon 1-Star rarity with a foil finish, manufactured by Bandai in Japan. The card is in standard size and belongs to the black category, making it highly sought after by collectors and players of the game. William Vangeance's unique abilities and design make it a valuable addition to any card collection.