Name: Alvin Black Knight Storage Tube
Brand: Alvin
Rating: 4.4 (9 reviews)

__Due to the Alvin & Company closure, this product has limited stock. To shop similar products, see [Chartpak Rapidesign Telescoping Document Tube](https://www.dickblick.com/products/chartpak-rapidesign-telescoping-document-tube/ "Chartpak Rapidesign Telescoping Document Tube").__

Made of durable black plastic, the Black Knight Storage Tube is ideal for storage and transportation of artwork, prints, posters, documents, and more. 
  The  water-resistant  tube expands from 30&quot; to 45&quot; long (76&nbsp;cm to 114&nbsp;cm), and locks in place at each 1&quot; (2.5&nbsp;cm) increment. The spacious interior of the tube has a 4&frac14;&quot; (11&nbsp;cm) diameter. 
  A removable, adjustable shoulder strap is included.




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__Due to the Alvin & Company closure, this product has limited stock and will no longer be available after it sells through. To shop similar products, see [Poster Tubes](https://www.dickblick.com/categories/studio/art-transport/poster-tubes/ "Other Poster Tubes").__

These cardboard mailing tubes provide an economical storage or mailing container for drawings, tracings, charts, blueprints, and more. Tubes have tight slip caps at either end and reinforced metal edges. 
   Note &nbsp;&mdash;&nbsp;Use this color chart as an approximation of the real color.

These cardboard mailing tubes provide an economical storage or mailing container for drawings, tracings, charts, blueprints, and more. The cardboard tube has tight slip caps at either end and reinforced metal edges.

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__Due to the Alvin & Company closure, this product has limited stock and will no longer be available after it sells through. To shop similar products, see [Blick Storage Tubes](https://www.dickblick.com/products/blick-storage-tubes/ "Blick Storage Tubes").__

Alvin Ice Tubes are the coolest tubes around! Constructed of rugged PVC plastic, each tube is ideal for storage and protection of your valuable artwork and documents. This moisture proof tube is sealed at one end, with an easy-to-use, removable cap at the other. 
  An adjustable shoulder strap ensures extreme portability, which makes the Ice Tube perfect for students and professionals who use blueprints and charts. Each Alvin Ice Tube has a 2&frac34;&quot;&nbsp; (7&nbsp;cm) inner diameter.

Alvin Ice Tubes are constructed of rugged PVC plastic, each tube is ideal for storage and protection of your valuable artwork and documents. This moisture proof tube is sealed at one end, with an easy-to-use removable cap at the other.

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__The Alvin brand is under new management and we are awaiting stock. To shop similar products in the meantime, see [Helix Expandable Document Tubes](https://www.dickblick.com/products/helix-expandable-document-tubes/ "Helix Expandable Document Tubes").__

These durable black plastic tubes with a 3" (8 cm) inside diameter have a unique design that allows them to accommodate materials of varying lengths. To extend, simply twist the tube and friction-lock it at the desired length. The secure twist-off screw cap is attached to an adjustable, removable shoulder strap.  
  Because Alvin Twist-Lock Telescoping Storage Tubes are water-resistant, they are ideal for transporting and protecting drawings, charts, maps, blueprints, posters, and more from the elements.

Alvin Twist-Lock Telescoping Storage Tubes are made from durable, water-resistant black plastic. A 3" (8 cm) inside diameter and telescoping design holds materials of different sizes. Secure twist-off screw cap. Adjustable, removable shoulder strap.

Made of durable black plastic, the Black Knight Storage Tube is ideal for storage and transportation of artwork, prints, posters, documents, and more. The water-resistant tube expands from 30" to 45" long, and locks in place at each 1" increment. The interior of the tube has a 4-1/4" diameter.

Length	30"–45"	76 cm–114 cm
Diameter	4¼"	11 cm

Alvin Black Knight Storage Tube

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