This storage tube is ideal for protecting and transporting of documents, artwork, prints and posters. Record the tubes contents under a clear plastic cover for easy organization and storage. The tube expands from 26" to approximately 44", with 24 locking 3/4" increments; it measures 4.25" in diameter.Details:BlackExpands 26" to 44"4.25" diameterSturdy black plastic constructionFeatures a replaceable identification padIncludes an adjustable shoulder strap with a 52" maximum extension