Beautiful arras coins and decorative tray set, perfect for a wedding ceremony. This set includes 13 coins to be used during wedding ceremonies or as a gift for newlyweds to ensure prosperity in life. The coins measure ¾ inch in diameter (about the size of a US dime). History of Wedding Unity Coins / Arras de Boda: The unity coins (Arras) are used during a wedding ceremony where the groom places the coins into his bride's hands as a symbol & promise to provide for the family and in return the bride also receives the coins as a confirmation and promise to take care of the family. There are 13 coins in total representing the universal tenets of marriage: Love, Trust, Commitment, Happiness, Respect, Wisdom, Wholeness, Nurturing, Joy, Caring, Cooperation, Harmony, and Peace.