Chartpak Expand-A-Tube Plastic Storage Tube, Mailing Tube, Blueprint Tube, Document Tube

Chartpak Expand-A-Tube plastic mailing tube, storage tube system. Innovative and ideal for a multitude of uses, including storing, mailing or transporting drawings, charts, blueprints, maps, documents, posters. Made of virgin high-density polyethylene, the lightweight durable document tubes are water-resistant and ultraviolet light-proof. Plus, the unique interlocking design lets you add optional middle sections by simply screwing them into place, adding a full 12" in length per section! Mailing tubes of any length can be created by adding additional middle sections. Use to store items like school banners or flagpoles. Blueprint tubes are 26-5/8" long and are available in two color-coded diameters: 2-1/2" (grey) or 3-1/2" (black). Chartpak expandable storage tubes, poster tubes, mailing tubes, document tubes.