These are Morishio Orgonite pieces. They use Naruto salt, blessed by Izanagi-no-Mikoto. Replacement is recommended about once a year. Gold leaf: for financial luck, good fortune, etc. Silver leaf: for warding off evil, wealth, etc. (Rare) Copper leaf: for cosmic energy, guidance, etc. Can be used in the four corners of a room, places you are concerned about, or in front of the spirits of gods and Buddhas. Size: 3cm x 2cm Price is for a set of 3. The dish is not included.