十八格習字紙 (sap6 baat3 gaak3 zaap6 zi6 zi2) — the paper used in Chinese copybooks for characters approximately 1cm x 1cm in Cantonese
sapˍ₆十baat˗₃八gaak˗₃格zaapˍ₆習ziˍ₆字ziˊ²紙简 十八格习字纸
Mandarin Pinyin: shi2 ba1 ge2 xi2 zi4 zhi3
Meaning of 十八格習字紙
nounthe paper used in Chinese copybooks for characters approximately 1cm x 1cm