... Washable 4.Compatitive price PP corrugated boardOur PP Hollow board has good quality, beautiful appreance and competitive price. ... Choose us, you are right. DescriptionPP clap Board / PP hollow SheetMaterialPP (polypropylene)Width & length (mm)<1800 ... transfer box, mailbox, display rack, partition, gift boxes, food packing etc.Advertising:sign board,exhibition boards,picture frame ...