Heidi Swapp-Marquee Love Chalkboard Shape: Speech Bubble. Jazz up your holidays and more with this fun chalkboard! This package contains one 12-1/2x10-2/5x1 inch chalkboard shape, one LED light strand, one piece of chalk, one hanging mechanism and fourteen clear bulb caps. 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.