Sufficient in quantity, enough to be used for a long time,Translucent sticky notes meet your various 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 text on transparent sticky notes without damaging the book. Self-adhesive waterproof memo is very suitable for offices, schools, and homes. It can be pasted on walls, , computers, books, diaries, catalogs, and documents. Product Discription: Type: Transparent Sticky Notes Size: 7.6x7.6cm Quantity: 50 Sheets per book Notice: Water-based pen and ink are more difficult to dry. Material: PET colour: Transparent, red, orange, yellow, green, blue Package Contents: 10 x Transparent Sticky Notes(Includes: 5 transparent, 1 red, 1 orange, 1 yellow, 1 green, 1 blue) 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.