100g thick paper, after writing on one side of the thick paper, it will not affect the use of the other side of the paper. Hard Kraft paper cover makes sure the durability of the notebook, you can stick the subject name, usage and other notebook detail information with the stickers. It has already done pen test with some of the most frequently used pens, there is no bleed and penetration. The notebook can 100% absorb pigment, suit for fountain pen, Ballpoint pen or pencil writing providing excellent writing experience. Useful for college students, office, school and daily. Style:Lined, the rule width of the lines is in 8.2mm. | Color:Brown
Size: 8.35" x 5.9", 60 sheets (120 pages), the thickness is about 10mm per spiral notebook.
Quantity: 5 packs

Product detail:
The product's 100g high-quality, acid-free inner pages make it ideal for writing with pencils, markers, ballpoint pens and pens.