Any temporary mount stamp can be adhered to one or both sides of these panels for easy storage. Stamps will stay in place and won't slip off the panels. Features a universal punched hole that can be used with both European style and standard letter size 3-ring binders Put your EZMount or clear stamps on the panels and then write on the tab what you stored on that panel. The panels also have a universal punched hole so they fit into both European style and standard letter sized 3-ring binders. This package contains five white panels 11-3/4 x 8-1/2 inch. Made in USA.