Plastic file box case materials: hollow sheet ISO9000 according to customer ... new style plastic file packing box plastic portable food case plastic store box (YF7030)Material PP or PE ... 6mmDensity/weight 300grs--1500grssize customer size madecolorMany colors to choose, clear,blue,lake-blue,green,brown,grey,opal- ... white,red,etc. Many colors to choose, clear,blue,lake-blue,green,brown,grey,opal- ...