Safe Piggy Bank Made of Stainless Stell Thick brushed stainless steel material, with excellent strength, rigidity and dimensional stability,Protect your money well. It can store about 10,000 coins or 1,500 banknotes. Do you want to k any tips for saving money Tip 1: How to save money in 365 days, First, create a 365 grid form and fill in the numbers from 1 to 365; when you deposit a sum of money every day, draw a cross on the corresponding number finally you can deposit to 66795. Tip 2: 52 weeks to save money challenge, deposit 10 in the first week, 20 in the second week, and 30 in the third week. Deposit 520 yuan in the 52nd week. By analogy, finally you can deposit to 13780 . Please note: The piggy bank is difficult to open, it is recommended to open it after the goal is completed or in some emergency situations. Once the piggy bank is opened, it will also be destroyed.