... .white paper tube is also available 3.customed spec Paper core tube Type:Spiral paper tube specifications :Inner diameter x Wal ... Yarn, Twisted Yarn, polyester Yarn. Composite Container Used For Winding: Food Industry, Postal Tubes, Mobile Oil, Pan and Writing Industries, Graphic ... : 10mm to 200mm. 100% recyclable, biodegradable and environmentally friendly. paper core tube