duplex paperboard with white back and grey back

Specifications: 1) Product range: 250-450gsm in different quality grade 2) Size: Sheets and reels both are available, 700 x 1, 000mm, 1, 000 x 700mm, 787 x 1, 092mm, 889 x 1, 194mm and any special sizes available 3) Features: Standard weight, high-standard stiffness, even thickness, coated surface, good smoothness and PPS, 4) Typical applications: Widely used in packing and printing; Shoe boxes, wine packages, cigarette middle packages, matchboxes, toothpaste boxes 5) Material: Imported waste paper and imported pulp 6) Color: White face grey back Packing: On pallet wrapping with plastic film