Loose-leaf paper recommended for science subjects. - Brand: KOKUYO - Size: B5 - Rule type: 7mm ruled - Rule type: 6mm ruled ☆Note☆ This is not new! The thickness is as shown in the photos. I have not counted the sheets because it would be difficult. I apologize for the inconvenience. I decided to sell these because I felt it was a waste to throw them away. Please consider purchasing if you don't mind. Thank you for looking.