Made of high quality polyester that is very DURABLE, it useful for a long long time. Measures: 7.1" X 3.5" inch , it is a large wallet, it can fit a sizeable to hold for smartphones under 5 inches 2 pack , yellow and blue or gray and pink ,there will be a best one for you and your friends. Using clasp closure ,these are easy to open and shut perfectly, but VERT sturdy and safety . These would be lovely party favors to distribute to friends, or it can be used as great stocking staffers for the holidays, or It would be cute to put gift cards in them for your favorite professor, friend or family member for birthday gift