The product is a Pokemon MEGA GRENINJA ex Premium Collection Case, containing 4 boxes of cards from the Chaos Rising set. The cards are Japanese size and feature a black attribute/color. They are 1st edition, foil finish, and part of the Pokemon TCG game. The collection includes a rare Megalodon card illustrated by 5ban Graphics, signed by Aaron Jeffery and authenticated by Beckett Authentication Services. This special edition set is perfect for collectors and fans of the Pokemon franchise looking for unique and valuable cards.