Package Include: You will receive a Money Saving Challenge binder containing 25 covers (100 envelopes total), 1 sheet of number stickers (1-100), and 2 packs of rectangular index tabs (10 each). Reliable Material: Loose-leaf book is durable and easy to access, transparent envelope film made of pvc is anti-scratch, waterproof and not easy to tear, protect your cash, no need to worry about cash damage. Easy to Carry: The Money Saving Loose-leaf Book can easily fit into your bag or suitcase and be carried around with you to help you save cash wherever you go. Good Habit Formation: The Envelope Challenge binder pages help you maintain good money-saving habits that add up to thousands of savings over 100 days, giving a sense of achievement and reward. Multifunction:You can complete the 100-Day Challenge with your partner, your family, or use it as an educational tool, a money-saving tool, a keepsake.