The Union Arena TCG Gamera booster box contains 16 booster packs, each with 8 cards, and is themed around the Gamera: Rebirth series. It allows players to collect iconic characters and monsters from the kaiju franchise to use in the trading card game, and the cards are printed in Japanese. 
Product: Union Arena Trading Card Game Booster Box
Theme: Gamera: Rebirth
Contents: 16 booster packs per box
Cards per pack: 8 cards per pack
Collection: Collects iconic monsters and characters from the Gamera franchise for the game
Language: Japanese text