ALVIN® Aluminum Tubes Round 37"

These durable, anodized aluminum mailing and storage tubes are carefully designed to protect anything that can be rolled, including charts, maps, blueprints, and posters. The tubes are 37" long, moisture-proof, and have adjustable shoulder straps. One end cap is sealed closed and the other removable. The unique triangular shape of ATT37 makes for easy document retrieval and can hold up to 3" diameter inside.