Alvin 37" Triangular Mailing and Storage Anodized Aluminum Tube, 3" I.D

• 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.