yourATCstore 1 in. x 3 in. Christmas Angels Microscope Collage Sheet. Great 1 in. x 3 in. Christmas angel images for Memory Glass Frames; no two images are alike! Use them on ATCs and other Christmas jewelry and holiday crafts. This collage sheet was professional printed to bring out the best in clarity and colors. Each collage sheet comes in a crystal clear bag for protection. Collage sheet measures 8 1/2 in. x 11 in.