These 18"x24" Sigo Presentation Cases are made out of the highest quality 100% archival safe materials. Perfect for all graphic and photography professionals. Features include: waterproof material, spine mounted handle which allows the pages to hang properly, lays completely flat for making every presentation a snap, 2 inside pockets, 1" large capacity multi-ring binder. Each case contains 8 deluxe top loading 100% acid-free archival safe sheets.