Features: Telescoping Poster Tube Expanding Art Transport Tube diameter 7cm/2.76inch, can expand in length from 20.67inch (50.50cm) to 37.13inch (94.3cm). Each telescoping poster tube expanding document storage tube used to transport and protect your valuable artwork, document and anything you can roll, make placement more secure, donot worrying about creases, wrinkles, damage during transportation and storage. Our telescoping bueprint holder tube crafted with quality pp, light in weight, waterproof 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: Color: Blue; Black; Silver Gray; White Component: PP Diameter: Approximately. 7cm/2.76in Adjustable Size: Approximately. 52.5-94.3cm/20.67-37.13in Weight: Approximately. 190g Package Includes: 1Piece Telescopic Document Storage 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