PORTABLE STORAGE TUBE- This poster tube carrier is perfect for any artist or drafter. Carry all of your art, paintings, drawings, architect plans, or documents with out fear of damage. Never worry about damage to your valuable materials. EXPANDABLE STORAGE CARRIER- This carrier is expandable from 25 to 37.5 Inches with a diameter of 3 Inches. With 10 easy to use locking positions, this will allow you flexibility to fit your documents safely inside during storage and travel. ART TUBE CARRIER- This storage carrier comes with an adjustable shoulder strap, which can make life easy for anyone to carry this poster transport tube. The seamless precision of this product makes it an ideal buy for any artist, architect, drafter, or engineer. THE PERFECT GIFT - Gift this blueprint holder tube to the drafter in your life. Give them a practical, memorable gift that will further their creativity to the next level. Mailing/Carrying Tube: expandable, black - 24.5" to 37.5"