Crafter's Companion Ezmount Mini Tabbed Rubber Stamp Storage Panel is made of polyester film laminate. It includes four 5-3/4 x 8-1/2 Inch storage panels to easily store your cling stamps. Panels include tabs and three-hole punch to store in any three-ring binder. Use both sides of the panels for storage and index your collection onto 3 hole punched cardstock for an even better way to find your stamps. File these stamps away by theme, stamp company or stamp type into binders and you have a compact, easy to use system for your entire collection. Made in USA.