4 set rectangle note flags with ruler, 800 pieces tabs in total, 0.4 inch sticky tabs with 40 different colors. Translucent & Writable – Made of premium PET material, waterproof and odorless. Translucent design ensures it never hides any information you have marked. It is writable and provides smooth writing experience, allowing you to write or mark freely. Colorful Markers – Colorful sticky page markers help highlight important information. Different colored index labels are visually appealing and make it easy to locate key content. Save your time and improve work and study efficiency. Multiple Use – These index tabs are suitable for office file organization, note-taking for students, and daily memo purposes. Recommended for use with ballpoint pens or pencils. Perfect Gift – Attractive and functional sticky index tabs add joy to your daily life. A thoughtful gift ideal for students, office workers, teachers, families, colleagues, and more.