Each Yu-Gi-Oh! Mega Pack Bundle contains:
Three booster packs each with 13 cards for a total of 39 cards.
Each pack consists of 1 Starlight Rare, 1 Prismatic Secret Rare, 3 Ultra Rares and 8 Common Cards.

Bundle total:
3 Starlight Rares, 3 Prismatic Secret Rares, 9 Ultra Rares, and 24 Common Cards.
15 of the cards (of any rarity) in each bundle are foil cards.