What is the diameter? Material:Paper Usage:Mailing Surface Handling:Offset Printing Product name:Paper mailing tube Material:Kraft paper+coated paper or specialty paper Printing:Offset printing or UV printing Size:11.4*63cm, or accept customized Feature:Recyclable Lip:Paper cap Wall thickness:2.0mm Artwork format:AI PDF PSD CDR Type of inner tube:Rolled edge on the top Shape:Cylindrical Show More