Alvin Moisture-Guard Heavy Duty Shipping Tubes, Blueprint Tubes, Document Tubes, Mailing Tubes

Moisture-Guard blueprint tubes, document tubes. Super-tough, water-repellent, reinforced 1/8" thick poly-coated fiberboard walls make these mailing tubes ideal for safe storage or mailing of blueprints, drawings, documents, posters, artwork, more. These shipping tubes are cover-wrapped with flat black finish. Nickel-plated metal screw caps, sealed metal bottoms. 3-1/8" inside diameter. Available in 4 lengths. Made in USA. Alvin Moisture-Guard heavy duty storage tubes, blueprint tubes, document tubes, mailing tubes.