Transparent DesignOur clear sticky notes can be pasted on books or documents without hiding important information, and you can easily see the book text covered by the sticky notes. You can take notes on sticky notes so you don't leave ugly handwriting on the text. Waterproof and WriteableThe translucent sticky notes are made of PET material, waterproof. The smooth surface will bring you a smooth writing experience. Pencil and ballpoint pen are recommended for writing. If you use markers, highlighters, gel pens, etc., please wait until dry before wiping. Easy to PasteOur clear note set is self-adhesive with good stickiness, no need for any glue or tape help, it can be pasted anywhere you want. And it removes easily without leaving an unsightly residue on the surface it was applied to. 4 Sizes AvailableYou can get 4 sizes of transparent sticky notes, which are 50x50mm/1x3in, 50x70mm/2x2.8in, 75x75mm/3x3in, 70x95mm/2.8x3.7in. 2 packs of each size, 50 sheets per pack, 400 sheets in total. Different sizes will meet your needs for adding labels or adding notes in the book! Wide ApplicationThe clear sticky notes are suitable for use in offices, schools, homes and other places. Use it to leave notes or memos in books, refrigerators, blackboards, whiteboards, laptops, or anywhere else. It is the perfect choice for your study, work and life.