The One Piece OP-11 Japanese booster box, titled "A Fist of Divine Speed," contains 24 packs with 6 cards each, for a total of 144 cards per box. This set is designed to boost decks based on the Whole Cake Island and Fish-Man Island arcs, and introduces a new "SWORD" theme. Release dates for the set were around March 2025. 
Box contents and features
Packs per box: 24
Cards per pack: 6
Total cards per box: 144
Language: Japanese
Set: OP-11 "A Fist of Divine Speed"
Release: March 2025
Themes: Focuses on the Whole Cake Island and Fish-Man Island arcs and introduces the "SWORD" theme
Recommended age: 15+ 
Additional details
Japanese booster boxes are sealed with tape on the top flap, not shrink wrap.
The set includes cards that can enhance existing decks and is designed to make new decks competitive.
It is a collectible trading card game product, not a toy, and may contain small parts.