... 3.the MOQ is 20Metric tons. the specification of duplex paperboard:1) Product range: 230-450gsm in different quality grade2) ... Size: Sheets and reels both are available, 850x1,168mm , 880x1230mm, 787 x 1 ... , cigarette middle packages, matchboxes, toothpaste boxes5) Material: Imported waste paper and imported pulp6) Color: White face & grey back