We R Memory Keepers - Heatwave Foil Pen. Apply foil to cards, scrapbook layouts and other projects. Use the Heatwave Pen with stencils to apply foil designs or create your own (sold separately). A light guide makes it easy to see where you are drawing. This package contains one 18cm x 4.1cm battery operated Heatwave Pen tool with a lid for safe storage and twenty 10cm x 15cm sheets of foil. Needs three AA batteries (not included).