The 2021 Panini MLB Optic Mega Box is your gateway to the top stars in MLB this season. This box contains 3 packs of 4 cards each, as well as 1 autograph per box - giving you a total of 12 cards to add to your collection. All packs are guaranteed to contain 12 Optichrome parallels, 2 Base cards, and 2 inserts. Celebrate the best of the MLB today!