This sturdy black plastic storage tube is ideal for protecting and transporting of documents, artwork, prints and posters. It features a replaceable identification pad (not recommended as a mailing label) which enables you to record the tubes contents under a clear plastic cover. The tube expands from 26'' to approximately 44'' in 24 locking 3/4'' increments. The tube measures 4-1/4'' in diameter, and includes an adjustable shoulder strap with a 52'' maximum extension.