This is an item of stationery (paper or writing goods), or other small merchandise such as good-luck charms, mascot straps, et cetera.
With Jinbe on your side, luck is sure to follow! His unforgettable face adorns this deck of 2.5cm-by-4cm playing cards, in a sturdy clear plastic case that's attached to a silvery metal keyring so it can go everywhere you go. Now you'll always be ready for a quick game of cards!