DEWEL Drawing Tube Blueprint Case Telescoping Art Tube Expands from 30to 52 Large Plastic Black Fishing Rods Storage Tube Waterproof and Light Resistant Poster Tube with Strap (XL Size) Poster tube holder for paintings, drawings, posters, blueprints, maps, and artwork. Expandable Art Carrying Tube with Strap, Roll case, Cylinder Map Case, Classified Document Carrying. (Please kindly Noted : Thin and light weight is not only its features but also its advantages, hope you can kindly note it carefully, thanks.) Telescoping carrying case could extend from 30 inches to 52 inches in length, and the diameter is 4.72, so handle various poster dimensions. Easy Interlock Design: The tube could be adjusted to 10 different lengths, easily and firmly lock your favorite poster in the tube case safely. This telescoping document carrier keeps your posters, artwork, fishing rods and documents from becoming bent or creased while you're on the go. Waterproof, hard, durable storage tube leaves your mind at ease when traveling with precious documents or art. The adjustable shoulder strap makes it easy for anyone to carry this poster transport tube. (Our products are light and thin, so that it is more convenient for you to carry out, hope you can kindly note it carefully, thanks.)