Alvin Square Storage Tubes, Poster Tubes, Metro Bags Carrying Tubes, Document Tubes, Blueprint Tubes, Mailing Tubes

Square storage tubes, carrying tubes, blueprint tubes, poster tubes. Alvin METRO BAGS have soft, leather-like vinyl material covering this attractive square storage tube. 2 exterior pockets are perfect for pencils, brushes, rulers, art supplies, drafting tools. 4" square inside dimension. MK26 is 26" long; MK37 is 37" long. Poster, document, blueprint storage tube features an attached top with zippered closure and removable, adjustable shoulder strap. Great for architects, artists, students, teachers, draftsmen, engineers.

Alvin square CARDBOARD poster tubes, mailing tubes. Unique 3.5" square document tube is designed for easy insertion and removal of rolled documents, simple stacking for storage, and reduced weight for postal cost savings. Mailing tubes are ideal for maps, charts, blueprints, drawings, and posters. Made of crush-resistant white corrugated fiberboard. Features a self-locking closure that won't pop open, need tape, or glue. Available in 3 lengths. Packages of 36, shipped flat. Alvin cardboard poster tubes, shipping tubes, mailing tubes.