The One Piece TCG Royal Bloodline (OP-10) Japanese booster box is a sealed box containing 24 packs of 6 cards each, totaling 144 cards per box. This set features characters from the Punk Hazard and Dressrosa arcs, and includes new leader cards and support for popular themed decks. It also includes a high chance of special cards, with one Treasure Rare, one Special Card, and one DON!! Card included in every box, alongside alternate art and parallel design cards. 
What's inside the box
Total cards: 144 cards (24 packs x 6 cards per pack)
New theme: Introduces the "Punk Hazard" theme
Card types: Includes new leader cards and support for themes like "Supernovas," "Dressrosa," and "Donquixote Pirates"
Artwork: Features artwork from the Punk Hazard and Dressrosa arcs
Special cards: Each box contains a Treasure Rare, Special Card, and DON!! Card
Alternative art: Includes alternate art and parallel design versions of various card types
Language: Japanese
Sealing: Japanese boxes are sealed with a piece of tape over the top flap, not shrink wrap