... ,septum 3)Feature:colorful,durable,recyclable 4)Favorable CHEAP AND PERFECT POLYPROPYLENE FLUTE PP SHEET --- PP Hollow Board --- Introduction: PP ... as all kinds of transportation box, mailbox, display rack, partition, gift boxes, food packing etc. 2. Advertising: sign board, shopwindow ... , suitable for art design and various pattern box or delicate gift pack. Specifications: Thickness (mm): 2, 3, 4 ,5 , ...