This is a personalized small envelope holder money binder with 100 card slots for your use. Features: Binder contains 100 labeled slots. The inner pages are composed of waterproof clear PVC material, making it durable and reusable. The 100-day challenge book is the perfect size to take with you anywhere. A portable and efficient way to organize your savings. This is a great tool for teaching kids to save while getting the whole family involved in saving. In addition to storing cash, this binder is also suitable for storing small items such as cards, receipts, and more. A perfect gift that makes saving and budgeting a fun and exciting game. Specification: Material:PVC Product Size(L x W x H):18x16x2.5cmcm Card Slot Size:(L x W):4x4cm Package Contents: 1x Envelope Challenge Binder Note: Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.