We R Memory Keepers-Laser Square And Mat. This tool is perfect for scrapbooking, stamping, quilting, school projects and more! This 18x8x1-3/4 inch package contains one laser square that slides from 0 to 12 inches and one mat. Requires two 9V batteries (not included). WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. Do not mouth or chew. Imported.