【4 Pack College Ruled Notebook】- Umriox spiral notebooks are 4 colors in a set, including pink, purple, yellow, and green. A5 size, 5.9 " x 8.3", great size for journaling taking random notes or carrying in your purse 【Paper Details】- 80 gsm eye-protective beige paper, 80 sheets/160 pages 8mm ruled lined. Each page has a place for the date and day of the week, can help record the mood and inspiration of the day 【Sturdy Transparent Covers】- Our hard cover notebooks are lovely pastel shades, with plastic covers that are waterproof and not easily bent. Round corner edges are designed to prevent paper from curling 【Double Spiral Binding】- Sturdy metal double ring with double wire construction helps turn pages easily and lays completely flat. It can be folded 360 freely without creasing, also prevents scattered pages when tearing 【Wide Range of Uses】- These college ruled spiral notebooks are suitable for a variety of occasions, such as school, home, office, traveling and more. Great for note taking, creative writing, travel journals, doodles, to-do lists. It's also a must-have for anyone looking for back-to-school supplies Sturdy Double Spiral Binding - Can be folded 360 freely without creasing, also prevents scattered pages when tearing.