A4,A5 notebook for clean room: 1.material: professional purfication paper 2.reduce mote 3.size:A4,A5

A4,A5 notebook for clean room:1.material: professional purfication paper2.reduce mote3.size:A4-20 pages;  10books/bag

           A4-50pages;    5books/bag

           A5-20 pages;    20books/bag

           A5-50 pages;    10books/bag