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 Telescoping Poster and Document storage tube carrying case easy for anyone to carry. Suitable for student, teacher, architect, artist Telescopic drawing storage tube widely used for storing poster, sketching paper, architect paper, paper roll, artwork, map, document Our telescoping bueprint holder tube crafted with pp, light in weight, and moistureproof, not easy to fade and break; ensures the content stay dry and secure during transit 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