Stampendous-Perfectly Clear Stamps. Fun clear stamps for all your card making, scrapbooking and paper crafting projects. Adhere to any acrylic block for easy positioning on your page. Stamp sets are available in a variety of designs and themes to match all your stamping needs (each sold separately). This package contains Screwloose N Sparky: a set of twenty-five clear stamps on one 5- 3/4x4 inch backing sheet. Made in USA.