The One Piece Card Game EB-01 Extra Booster Memorial Collection Japanese booster box is a 24-pack set of 6 cards each, released in May 2024, focused on popular characters and strengthening older decks like Dressrosa and Impel Down. The box is designed for collectors and players, containing a variety of rarities, including a secret rare, and features characters with fewer existing holo cards. 
Box contents and features
Packs per box: 24
Cards per pack: 6
Total cards: 144
Rarity breakdown: 3 Leader, 28 Common, 21 Rare, 8 Super Rare, and 1 Secret Rare
Card types: Includes a parallel card and focuses on popular characters from the ONE PIECE storyline
Themes: Features cards that build on themes from previous decks, such as Dressrosa, Baroque Works, and Impel Down 
Design and purpose
Purpose: To strengthen older decks and provide players with more options.
Character focus: Includes popular characters from various arcs and those with fewer existing holo cards, like Chopper, Brook, and Oden.
Target audience: Collectors and players of the One Piece trading card game. 
Release and availability
Release date: May 3, 2024
Type: This is a Japanese-language extra booster box.
Age recommendation: 15 and up, as it contains small parts.