1 Classical code lock elegant design da vinci s intellectual style. 2 User can change the password by yourself. For example: you can change the password to the first two word of your and your love one s first two words combination. 3 You can put your engagement ring inside to make a big surprise for your loved. 4 And you can store your notes poems jewelry keys or other valuables ideal for giving someone a special gift. 5 Made of premium metal material for maximum durability.