The Ribbon is an accessory found in Kingdom Hearts and Kingdom Hearts Final Mix, and a type of armor found in Kingdom Hearts II and Kingdom Hearts II Final Mix. Kingdom Hearts Final Mix's Beginner Mode has Sora start with a Ribbon.
In Kingdom Hearts II and its remake, the Ribbon is a thick, indigo-colored ribbon with a very small, silver pin on each of its ends.
Ribbon can be synthesized once the fourth list is unlocked.
Kingdom Hearts Final Mix
Ribbon can be synthesized once the fifth list is unlocked.
Kingdom Hearts II
The Style Recipe is found in a chest at the Starry Hill. The Ribbon is a rank A synthesis item that provides 24 EXP, and is an upgrade of the Petit Ribbon recipe.