No stapler necessary - just peel off the film to expose the adhesive, fold, and press firmly to close the coin holder!
Window is made of crystal clear archival polyester.
Fits nicely into most 2x2 storage boxes and 20 pocket storage pages (sold separately).
Seamed in the middle for easy folding.
External dimensions : 2x2 (folded) or 4x2 (unfolded)
Window size : 19.7mm
Fits US Lincoln, Steel, Wheat, or Indiana Head, Pennies and Eagle cents (all 19mm diameter) or similarly sized coins.