The Sticky Memo Note is made of PET materials, safe, practical and convenient. It is characterized by advanced materials, easy to use and not easy to deform. Fine workmanship and good texture ensure practicality. Suitable for home, office, school and so on. It comes with ruler design and can be your good learning tool. Features -Color:Assorted Color -Material:PET -Size:15.00X5.50X0.50cm/5.89X2.16X0.20in -Note: Each book has 5 colors. -The product material is better, safe and , supports your long-term use, and is not easy to deform. -Although it is simple in design, it is very practical when used. Material safety, safe to use; -It is suitable for school students, teachers, office staff or individuals to use at home. -It can be used not only as label stickers, but also as classified stickers, memos, etc. -Easy to paste and use, easy to write, not easy to be scratched, practical and . Package list: 8 x Books of Stickers