CRAYOLA-Window Mega Markers. Turn your windows into instant decorations. Great for holidays, special occasions, school events or anytime you feel creative. Great for car windows, mirrors, and other glass surfaces too! Four markers, Blue, White, Black, Orange. Nontoxic. Conforms to ASTM D4236. WARNING: CHOKING HAZARD-small parts. Not for children under 3 years. Imported.