16k large notebook cowhide notepad large thick english composition chinese math exercise book cross-border for junior high school students 16K大本子牛皮车线本大号加厚英语作文语文数学作业本初中生跨境

single line (thickened) mesh (thickened) chinese pinyin (thickening) double row (thickened) error correction (thickening) mathematics (thickening) chinese (horizontal line) hard-tipped pen calligraphy (thickening) text (thickening) pinyin writing (thickening) chinese (square) staff (thickened) copybook (thickened) composition (thickening) biological (thickening) english (thickened) history (thickening) student diary (thickened) politics (thickening) physical (thickening) chemistry (thickening) geography (thickening) new word (thickened) tian zi (thickened) student homework registration book practice (thickening) reading excerpts (thickening) reading notes (thickened)

16k large size (36 sheets/book) 32k small size (36 sheets/book)