Protect your documents, drawings, or artwork during storage and transport. Tough plastic telescoping tube with screw-on end cap provides the extra protection. Clear plastic snap on end cap holds reusable identification label. The 3 1/2" diameter telescoping tube expands from 24 1/2" to 40" and has locking tabs in 3/4" increments to maintain a desired length. Includes non-removable adjustable shoulder strap. Collapsed length is 24 1/2"; Expanded length is 40". Packaged in cartons of 10. 3 1/2"Dia. x 24 1/2"-40"L