Our bestselling binder! The 3 Ring Case View Binder with Overlay is the standout binder that simply stands up better to any job at home, at school, or at the office. No matter what you've got to keep together, UniKeep Case Binders keep your materials completely enclosed inside and keep the dust out – that's why they're the archival-safe choice of professionals and hobbyists alike. The clear polypropylene overlay makes both customization and repurposing a breeze, so you'll keep using your UniKeep for years to come. We've seen our Case View Binder used for everything from presentations to paper crafts, from sales kits to stamps, and from school notes to sports cards. So tell us, how will you use your UniKeep?