From the publisher's website:
On the other side of the world, in the courts of the Jade Regent, the right equipment can mean the difference between life and death, honor and shame. This 54-card deck includes beautiful full-color illustrations you can use to give life and visual flair to the items and treasure of the eastern-themed Jade Regent Adventure Path. From ninja weapons like shuriken and kusarigama to eastern armors, scrolls, and more, Jade Regent Item Cards add an exotic element to any Item Card collection and bring a great sense of immersion to any fantasy campaign!
GameMastery Item Cards allow heroes to keep track of their equipment in style, and this deck is completely compatible with all of Paizo's other GameMastery Item Card sets. Each of these full-color cards features a beautiful portrait of an item on one side with space on the back to keep notes. GameMastery Item Cards are compatible with any fantasy roleplaying game.