Removable and repositionable: Sticky notes can be torn off cleanly without tearing the paper and leave no traces. They can be moved easily to adjust ideas, improving workflow and efficiency. Colorful: Multi-color pages help you take notes on different topics, index pages, and highlight information more clearly. Excellent quality: Made of high quality PET material, suitable for use anytime and anywhere. It is environmentally friendly and easy to write on, so you can jot down anything you need. Easy to carry: Includes 200 sticky notes in ten colors x 20 each; note size is 11 x 44 mm. Also included is a 14 cm / 5.51 inch ruler, forming a complete learning assistant that fits directly into a book, so you do not need to bring your own ruler. Use scenarios: - Study or coursework: color-code chapters, mark key ideas, and create quick margin notes. - Office or meetings: highlight revisions in documents and attach action items for follow-up. - Planning and travel: insert into planners or notebooks for on-the-go notes, using the ruler for neat margins and alignment.