Sufficient in , enough to be used for a long time,Translucent sticky notes meet your note-taking needs. Made of high-quality material, writing, waterproof, non-toxic, no peculiar smell; transparent design so that it will never hide any of your information. It is easy to paste or remove, and will not leave residue on the page, You can use a ballpoint pen to write on transparent sticky notes without damaging the book. Self-adhesive waterproof memo is suitable for offices, schools, and homes. It can be pasted on walls, , computers, books, diaries, catalogs, and documents. Type: Transparent Sticky Notes Size: 7.6x7.6cm : 50 Sheets per book Notice: Water-based pen and ink are more difficult to dry~ Different batches, there may be color difference Colour:clear, yellow, pink, blue, blue-green, green Material:PET Package Contents: 6 x Transparent Sticky Notes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.