Features 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 Pads Material: Paper, PET Product Features: Semi Transparent Sticky Note Document Classification Index Marked with Key Tips Package List 10 x Bag of Transparent Sticky Note Pads(500pcs Total)