Alvin Square Storage Tubes, Poster Tubes, Metro Bags Carrying Tubes, Document Tubes, Blueprint Storage Tubes, Travel 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 poster tubes, shipping tubes, mailing tubes.