This is the "Ancient Mystery Geometry Metatron Cube Energy Card." It's made of thin brass and is very beautiful. Here's some reference information: This is a GOLD metal energy card of the Metatron Cube, a sacred geometry. "Metatron" refers to "Archangel Metatron," the representative of God. The Metatron Cube contains the Merkaba star, considered a perfect figure created by God, as well as spheres and the five Platonic solids (tetrahedron, cube, octahedron, dodecahedron, and icosahedron). Through this geometric pattern that encompasses everything, you can access the wisdom of the universe, providing powerful purification and protection against evil. You can display it in your entryway, use it as a coaster, or place a glass of water on it to purify, ward off evil spirits, and recharge your energy. Size: 8cm x 7cm