Portable Size: The size of post it notes is 76 x 76 mm, including 2 pack, 50 pages per package, 100 pages in total. You can put it in your pocket or bag, and the quantity meets your various needs Easy to Stick: The self-adhesive note are reusable and sticky, they won't come off easily, and they won't leave glue on the book or damage your notes Transparent Design: Transparent sticky notes pads can be attached to magazines, textbooks, notebooks or other materials, and the transparent design allows you to clearly see the covered text, which does not prevent you from making annotations or supplementary notes on it Premium Material: Self-stick notes are made of PET material, which are waterproof. Paste, will not tear off without residue and will not damage your notes. The smooth surface makes the ink dry slower than usual, so do not touch the small sticky notes with your hands after writing. Our products are compatible with ballpoint pens or pencils Wide Application: The clear Sticky Notes Set can be placed on refrigerators, cups, doors, notebooks, books, walls, computer screens and other surfaces to leave notes or memo reminders. It is for use at home, school and office