Features: Telescoping Poster Tube Expanding Art Transport Tube Inner diameter 6cm/2.36inch, outer diameter 6.50cm/2.55inch, and expandding length from 17.32inch (44cm) to 29.72inch (75.50cm). Each telescoping poster tube expanding document carrying case used to transport and protect your valuable artwork, document scrolls, canvas, and anything you can roll, make placement more secure, donot worrying about creases, wrinkles, damage during transportation and storage. Our telescoping bueprint carrying tube crafted with pp, light in weight, water resistant and moistureproof, not easy to fade and break; ensures the content stay dry and secure during transit. Telescoping Poster and Document storage tube carrying case easy for anyone to carry. Suitable for student, teacher, architect, artist, engineer. Telescopic drawing storage tube widely used for storing poster, sketching paper, architect paper, paper roll, artwork, map, document. Specifications: Component: PP Color: Green; Blue; Black; Orange Outer Diameter: Approximately. 6.50cm/2.55in Inner Diameter: Approximately. 6cm/2.36in Adjustable Size: Approximately. 44-75.50cm/17.32-29.72in Weight: Approximately. 220g Package Includes: 1Piece Telescopic Document Tube note: 1.Please allow 0-1cm error due to manual measurement. Make sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color