This is a replica of gold foil that is popular as a financial item. 777777777 and 7 are a custom version of 7 pieces. Why not put one in your wallet for this occasion? It is also recommended as a casual gift for a friend or family member. The product has a thin resin coating over the gold foil, so there is no need to worry about the gold foil peeling off. It is thick and resilient and strong, so you dont have to worry about it breaking or tearing.