1. quality materialThe budget book with money envelope is made of soft and durable PU leather, which is comfortable to the touch, scratchresistant, and neatly stitched. The cash envelopes are made of transparent waterproof material that keeps documents, bills, and cash safe. 2. Easy to carry and useOur '100 Envelopes Money Saving Challenge' includes an A5sized folder, 100 portable bags, and a rich accessory set, allowing you to take notes anytime, anywhere. It can also be used as a moneysaving organizer or an envelope system wallet for cash planning. 3. Family savings plan for families saving together. With 100 envelopes, you can allocate funds for different goals and easily track your finances. It's also a tool to teach children how to save. Use this budget planning tool to stay in control of your finances. 4. Budget Financial AssistantThis savings folder helps you create a budget, track expenses, and achieve savings or debt repayment goals. You'll never miss a deadline again!