Index Width: 0.2 inch (6 mm) wide x 16.4 ft (5 m); Specifications: Writable film tape
Feature 1: Remove the line cleanly, leaving only the lines in the areas you do not remember, so you can always update your understanding with the latest level
Feature 2: You can draw the line at a certain width, and there is no bleeding, unevenness in color, or bleeding in text so you can create a beautiful and easy-to-read teaching material
Feature 3: Comes with a set of memorization sheets that are compatible with both blue and red. High-transparency sheets help you focus on learning memory
