固定不动的

material: pvc/pp/paper any design, size, color are available good quality and best priceA perfect design to keep your data files and printouts together. Colored-matched poppers to give a attraction looking. Various Kinds of size to different use. See-through color PP materials. Quality welding at the both sides.With sophisticated techniques, advanced equipment, professional scientific and technological personnel, we always maintain the leading position in the market. Our products are of best quality and service, but very competitive price. The picture is just for your reference and customization is welcome