Safe Materials-Our money bank is made of child-environmental ABS plastic that is odorless, anti-aging, and durable. The ATM piggy bank makes sound when money is inserted into the mouth. A fun gift for kids, and helps children save money while havingfun with the toy bank. Large Capacity-This money saving box measures 7.5 x 5.1 x 4.7 inchescan store 600 pieces of coins or 100 pieces of paper money. And this atm saving bank may also be used to store the toys, jewelry, baseball cards, playing cards and other small items. Password Protection-The default password is 0000 and you can set it to other 4 digit password. If you forget your password, please remove the batteries and re-install. The password will be restored to default password "0000". Automatic Paper Money Scroll-When cash money is held near the inlet, it will be absorbed into the money saver automatically. Note: Cash that is too old or soft will not work for this process. The coin slot at the top of the bank allows it to be usedas a piggy bank to store coins.