This Open Waterfall Set in black is part of the 49 and Market Foundations Collection. There are 12 die cut pieces and six small Neodymium magnets included in this package. There are three waterfall structures that when folded on score lines and adhered together create four cascading sheets with strap and mat. Use the magnets to secure the mat to the top. The two large waterfalls measure 6.25" x 8.25" and the two small waterfalls measure 4" x 6.25". These waterfalls can be used in a horizontal or vertical layout. There is a warning included on the package from the manufacturer: Use with extreme care. Neodymium magnets are strong, brittle magnets that need to be handled with care to avoid injury. Keep away from children, adult use only. Strong magnets may be harmful to pacemakers. This envelope is acid free.