This large block is guaranteed to mount your stamps exactly where you want them each and every time. The acrylic block features etched centering lines and a wavy edge for a no-slip grip, ensuring that your stamps cling like magic. Use it for larger cling stamps to create cards, scrapbooks and other craft projects. Details3.6875" x 4.9375"Etched centering lines for accurate stampingWavy edge for no-slip grip