Simple yet stylish, these silver discs from Me & My Big Ideas® literally make it super easy to customize your Big Happy Planner. You can use these metal discs to create additional notebooks, planners and so much more - adding extra space with no fuss at all. Details:Silver colored1.78" disc diameter3.12" x 2.12" x 2.12" package size11 discs MetalFor use with The Big Happy Planner (sold separately)