The "Loose Leaf Mini Smart Review" series was developed for studying to help you review skimmer times and tests. Product Features: An essential item for memorization to improve learning efficiency. The design is easy to read and easy to write on. You can use the small size that is unique to the loose leaf mini, and you can collect only the key points you need to check. Recommended for studying and reviewing the test of skimmer time. Product Description: Write on places you want to memorize with a pen that is easy to hide such as red or orange and hide it with this product. This set includes a simple word ruled with leaves that are useful for studying, and a "must-point check rules" rules that are small for important points. Compatible with various sized binders, as well as A5, B5, and A4 binders. You can carry it with your binder, so you dont have to worry about losing it. [Details] Number of Holes: 9 Holes; Product Dimensions: Length 3.4 x Width 5.0 inches (86 x 128 mm); Weight: 0.8 oz (23 g); Set Contents: 1 sheet / Loose leaf mini word rule: 10 sheets / Loose leaf mini ruled rules: 10 sheets