corrugated paper presentation folder 1. new items, back to nature. 2. 8 years experience corrugated paper presentation folder 1. Products details: colosed size: 33*23.5cm pocket size: 8*23.5cm (two inside pockets) material: H-Quality corrugated paper; rubber band. Printing: No Barcode: sticker on the back.2. Packing: 12pcs per opp bag; 240pcs per carton3. Production cycle: 25 days corrugated ...