ring binder file folder, document holder professional design based on your request small quatity order is acceptable ring binderring binder, ... 4) Material: cloth-lined paper, copperplate paper, card-board, kraft paper, corrugated paper, paperboard, special type paper, art paper 5) Available materials: a ... ,000g grey board b) Outer: 120-157g art paper, 157-200g copperplate paper6) Print: 1-4 colors ...