Darkroom Door-Cling Stamps. These detailed stamps are the perfect way to add fun images to your cards, scrapbook pages and more! Use with any clear acrylic block (sold separately). This package contains one 7x4-3/4 inch cling stamp sheet within one 7-1/2x5- 1/4x1/2 inch storage case. Design: Brushed Sentiments. Imported.