Feature:1. Transparent: No need to write directly on books and documents, you can see through the content and information of the pasted part, and the uncovered text is easy to extract.2. Waterproof Material: Made of paper and PET, it sticks firmly, cleans well, and won't wrinkle and fade after long term use.3. Removal Glue: Stick firmly and remove cleanly, can be repositioned, will not leave residue on the page, will not damage your books and documents.4. Applicable Pens: A set of 50 clear sticky notes for a total of 500, can be used for writing with oil based markers, pencils, ballpoint pens, not gel pens or markers.5. Applicable Scenarios: You can paste unseen notes anywhere you want, such as book notes, refrigerators, computers, desktops, blackboards.Specification:Item Type: Transparent Sticky Note PadsMaterial: Paper, PETProduct Features: Semi Transparent Sticky Note Document Classification Index Marked with Key Tips.Package List:10 x Bag of Transparent Sticky Note Pads(500pcs Total)Note:We recommend that you wait patiently for your handwriting to dry after writing. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.