Disney's Mickey Mouse iconic silhouette is the star of The Happy Planner Mickey Medium Plastic Discs which can be added to any size Happy Planner. This 11 disc set can be used with planners, extension packs, notebooks, and journals. Add a dose of Disney magic to any Happy Planner by simply switching out the discs with Mickey! Each package includes ELEVEN (11) Medium discs that measure 1.25”. Also available at JoAnn.* *While supplies last