yourATCstore Colorful Spring Girls Collage Sheet. This collage sheet makes these adorable little flower girls look gorgeous. Just wait till you see this collage sheet in person; you might not want to give your art away! What great images to use on your Artist Trading Cards as well as greeting cards and more. This collage sheet is professionally printed and comes in a crystal clear bag for protection. Sheet measures 8 1/2 in. X 11 in. and are Acid Free.