Credit Card design. Can be easily put into your wallet.Size: 3.3 x 2.0 x 0.1 inches. Writing speed over 3MB/S, Reading over 10MB/S.Easy and fast for data storage, data back-up and transfer of computer files.As a gift, you can storage some pictures,music,movies and good memory into computer u disk before you give this gift to them.Give them a big surprise.