Cardinal Poly Zippered Binder Pockets store and protect critical documents. These side-loading three-hole-punched inserts expand 1/2" to hold up to 100 sheets. Colorful slide zippers keep it all contained. Clear poly is non-stick and archival safe for documents and photos. Keeps critical papersfrom passports to term paperssafe from accidents and spills. With zippers in blue, black, red, purple and green for color-coded organization.