- These writable index labels allow you to easily jot down notes using a ballpoint pen, making them perfect for quick reminders or annotations. - Versatile and multifunctional, they serve as sticky notes, self-adhesive index labels, bookmarks, document flags, and page markers, adapting to various organizational needs. - Designed for easy use, simply stick them on books, textbooks, notebooks, novels, planners, journals, calendars, scrapbooks, walls, refrigerators, computers, and laptops to highlight important thoughts or sections. - Crafted from waterproof PET material, these labels are durable and ideal for artists, writers, journalists, office workers, teachers, and students who require reliable, long-lasting solutions. - Perfect for organizing study materials, keeping track of project notes, or marking important pages in a planner. Use them to enhance productivity and ensure essential information is always at your fingertips. - Each label is designed for compatibility with a wide range of writing instruments, ensuring you can personalize them easily, regardless of your preferred pen type.