scratch paper wholesale a4 thickened b5 scribbling pad college student high school student 16k horizontal line paper book calculation book grid noteboy 草稿纸批发A4加厚B5草稿本大学生高中生16K横线纸本演算本网格本

b5 blank sheets, 40 pieces [thickened version] b5 blank sheets, 100 pieces [thickened version] a4 blank sheets, 40 pieces [thickened version] a4 blank sheets, 100 pieces [thickened version] b5 beige scribbling pad/40 sheets b5 double-sided lined scratch paper-40 sheets 16k grid style, 40 sheets [thickened version] a4 grid style, 40 sheets [thickened version] 18k thickened, 100 sheets per book 18k thickened, 320 sheets per book 18k imported paper, 320 sheets per ream, slightly grayish in color. 18k thickened, 500 sheets per book 18k thickened, 50 sheets, 100 pages per book b5 double-sided lined scratch paper-120 sheets

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