Specification: Item Type: Book Safe Product Material: Stainless Steel + Plastic Product Size: Approx. 11.5 x 8 x 4.5cm / 4.5 x 3.1 x 1.8in (manual measurement, there are small errors) Product Use: Suitable for Change Storage, Gift Giving, Etc. Package List: 1 x Book Safe 2 x keys Note: Manual Measurement, There Are Small Errors Durable Storage For Your Vaulables---The safe is made from a strong metal material. Complete book measures: 5.9 x 5.1 x 4.7in, enough space for you to store jewelry, cash, credit cards or other important items that you might need to tuck away. Secret Safe Containers for My---This book safe with lock key looks like a real book and will easily blend in with the other books on your shelf. Very suitable for saving, bank cards, ID card and other precious personal items. Depository design---The Book Money Banks with input port, can be used as a depository. Particularly suitable for some people who do not have strong self-control. Constrain yourself to save money, or prepare a savings plan.