Inkadinkado-Inchie Clear Stamps With Block. These fabulous clear stamp sets are perfect for all of your stamping needs- scrapbooks, greeting cards, paper crafts and more! These non-yellowing stamps adhere to any acrylic block and allow you to see their exact positioning. This package contains Travel Postage Stamps: a set of seven clear stamps on one 5x4 inch backing sheet and one 1-1/4x3- 3/4x3/8 inch acrylic block. Imported.