Is instant snow safe? Instant snow is a very safe non-toxic product. It can be safely eaten once mixed with water and will not cause any problems. The dry powder form may cause irritation and should not be eaten. Material Safety Data Sheet: http://www.stevespanglerscience.com/blog/wp-content/uploads/2013/01/Insta-Snow-MSDS.pdf How long does instant snow last? Instant snow lasts a very long time … Continue reading FAQ