1.DIY Your Own Binder - Motivational & Fun Way to Save: Want to save money but have a hard time getting excited about it? Check out this envelope challenge binder that you can DIY own cover & reuse challenge plans. Easy than usual saving practices because it is more motivating and straightforward. 2.Money Savings Binder Kit: A5 PU leather binder, 1pcs double-sided & laminated tracker, and 100 envelopes slots pre-numbered with 1 to 100. 100 envelopes money saving challenge helps you build up an emergency savings fund and cultivates a saving habit. 3.Reusable Laminated Tracker: Stay on top of savings progress easily with the handy tracker. 3 challenge options to choose from, 100 envelopes, 30 days, and 52 weeks challenges to fit your different needs for short or long-term goals like holiday, emergency, etc. Laminated tracker, resist tears and erasable, you can repeat the same challenge or try a new one. 4.Superior Material: Thickened PU Leather savings binder is scratch-resistant and sturdy. 100 transparent PVC cash envelope slots, pre-printed clearly with 1 to 100, waterproof and tear proof, keep and secure your money. 5.Simple to Use: Step 1: Write down your goal on the tracker. Step 2: Save money equal to the number of the envelope. Step 3: Mark the corresponding number on the challenge tracker.When you mark all the numbers, you have completed the challenge and achieved the goal.