... Widely used for advertising and package PP hollow board / coroplast pp boards / pp corrugated board / pp hollow plastic board1.Specification: (1 ... can easily to be bent and cut, used as transportation box, mailbox, partition, gift boxes, food packing etc. 2) ... PP hollow sheet can be used as advertising board, show board, brand mark, light box board, shopwindow displays, pop-up displays, digital ...