GRAFIX KSF50-W 8-1/2-Inch by 11-Inch Shrink Film, White, 50-Pack When heated grafix shrink film will shrink to about 50-percent of its original size When cooled to room temperature it becomes thicker and hard Decorate grafix shrink film with permanent markers, rubber stamps or paint pens Easy to cut with scissors, die cut machines and punches Sheets are white 8-1/2-inch by 11-inch and there are 50 sheets in the pack