Safe and Sturdy and Practical: The piggy bank for adults is made of high-quality stainless steel, making it not only scratch-resistant, corrosion- and rust-resistant, but also sturdy enough to protect your money well. It can store about 10,000 coins or 1,500 banknotes at full capacity. Reusable: Unlike regular stainless steel dice or other open piggy banks for adults, you can open our lockable piggy bank with your personal code, thus using it multiple times for many savings plans. With the combination lock, our metal piggy bank is both secure and suitable for more people, including children, teenagers, and adults. By sticking the mats on the 4 corners at the bottom, the piggy bank can be prevented from wobbling and rattling. Adults can be effectively prevented. You are welcome to use the stickers to stick something special on it, such as your name, favorite word, or a special date. Perfect Gift: You can send this piggy bank for adults to your lover, create a savings plan for both of you and complete it together. You can send this stainless steel piggy bank as a birthday or Christmas gift to your baby or boy. You can send it to teenagers and teach them how to deposit money for their dreams. Every time you change the password, you need the new password, this time as the Open code and the code-to-change-this-code. So if you forget the code, you will not be able to open it or change its password. The only way to safely retrieve money is to destroy it.