Alvin Metro Bag Square Storage Tubes, Carrying Tubes, Document Tubes, Blueprint Tubes

Square storage tubes, carrying tubes, blueprint tubes. Soft, leather-like vinyl material covers 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 Metro Bag square carrying tubes, document tubes, blueprint tubes, storage tubes.