* UNLEASH FLEXIBILITY - Expand your Circa Notebook with our discbound discs. No more snapping rings; these sturdy aluminum disc binder rings let you effortlessly remove and reorganize pages for ultimate customization. * LIGHTWEIGHT DURABILITY - Crafted from sleek, polished aluminum, these metal discs for discbound notebook allow you to turn pages with lightning speed. Available in a dazzling array of colors. * EXPAND AND CREATE - With a set of 11 discs available in various sizes, expand existing notebooks or create new ones. Create and customize slim presentations in your disc notebook system with the smaller sizes, or use the larger sizes for archiving.