paclord 3" x 36" heavy duty reinforced kraft paper mailing tube, pack of 2 tubes with 4 caps – secure usps approved poster tube – made in usa cardboard tube for shipping and storing posters, prints, artwork inside diameter: 3" length: 36" is up for auction in Industrial & Scientific. This item is in As Is condition. Bid on this item at our Louisville - Intermodal Dr. location before the auction closes.