Practical Design : Our transparent adhesive notes offer a modern alternative to traditional sticky notes. Designed to overlay onto original documents, they allow you to add explanations, highlight key points in books, and mark important pages without damaging the original text. Enhance your study and work efficiency with these versatile notes. Strong Adhesion : These transparent adhesive notes stick securely yet are easy to remove. Made from waterproof materials, they leave no residue behind. Their ability to be repositioned makes them ideal for book lovers who wish to keep notes without damaging pages. Product Features : Each pack includes four 3" x 3" transparent adhesive note blocks, with 50 sheets per block for a total of 200 sheets. Lightweight and portable, they are easy to carry wherever you go. Wide Applications : Perfect for use in offices, study areas, or at home. Stick these notes to books, notebooks, planners, whiteboards, mirrors, doors, and any smooth surface to keep information readily accessible. Great Gift Idea : These sticky notes make life easier and more organized, making them an excellent gift for students, professionals, and anyone who enjoys jotting down thoughts on the go. Share them with friends and family for a thoughtful gesture. Usage Recommendations : For best results, write on these waterproof PET notes using ballpoint pens, pencils, or oil-based markers. Avoid using gel or water-based pens to ensure optimal performance and longevity.