High-Quality Material: These transparent sticky notes use the latest PET material and removable adhesive, ensuring a neat and tidy watermark. Excellent Adhesion: Reusable and won't easily fall off. Waterproof: Durable and resistant to damage. Special Reminder: As the product is made of plastic, ballpoint pens and pencils are recommended. Avoid using gel pens. If you do, allow the ink to dry completely to prevent smudging. High Transparency: Sticks securely to books and magazines without staining the pages. The high transparency allows you to read the original text clearly while taking notes. Portable Size: Square 76*76mm, 50 sheets each, 6 pieces total, 300 sheets in all. Convenient and compact, easily fits in your backpack or pocket for on-the-go note-taking. Multiple Occasions: Ideal for everyday study and work, helping you remember important things. Perfect for birthday reminders, work notes, study notes, etc. Can be placed on the refrigerator, door, desk, or monitor. We not only provide you with high-quality products, but more importantly, we provide you with a long-term after-sales guarantee. When you buy our products, you get a full range of customer support, so you can shop with confidence and satisfaction.