Supply Air Round Cardboard Mailing Tubes – Kraft Paper Shipping Tubes with End Caps for Posters, Documents & Art (3 x 36 Inches, Multiple Pack Sizes)

Highlights

• PRODUCT OVERVIEW: Round cardboard mailing tubes constructed from spiral-wound kraft paper. Each tube measures 3 inches diameter × 36 inches length. Includes two white plastic end caps per tube that press-fit over tube openings. Interior cavity accommodates rolled items up to 3 inches diameter × 36 inches length, suitable for posters, prints, blueprints, documents, and artwork
• DIMENSIONS: Tube exterior diameter 3 inches, length 36 inches. Interior usable cavity 3 inches diameter × 36 inches length. End caps 3 inches diameter each
• MATERIAL & CONSTRUCTION: Spiral-wound kraft paper cardboard tube wall. Brown kraft paper exterior. White plastic end caps. Cylindrical structure formed by layering kraft paper in spiral winding pattern
• CLOSURE MECHANISM: Two plastic end caps per tube press-fit onto tube openings by friction. Caps create sealed enclosure when pressed over tube ends. Removable and reusable closure design
• WEIGHT & QUANTITY: Each tube weighs approximately 0.8 pounds. Available in multiple pack quantities: 10-pack, 20-pack, and 50-pack configurations to match shipping volume requirements

Description

Supply Air 3 x 36 Inch Round Cardboard Mailing Tubes are cylindrical shipping containers constructed from kraft paper cardboard. Each tube measures 3 inches in diameter and 36 inches in length. The tube wall consists of spiral-wound kraft paper layered to form a rigid cylindrical structure. Each tube includes two white plastic end caps that press-fit onto the tube openings to seal contents. The end caps measure 3 inches in diameter and create a friction closure when pressed over the tube ends. The interior cavity measures 3 inches in diameter and 36 inches in usable length, accommodating rolled documents, posters, prints, blueprints, and artwork measuring up to 3 inches in rolled diameter. The kraft paper exterior is brown. Each tube weighs approximately 0.8 pounds. Available in multiple pack quantities to accommodate different volume needs. Tubes ship flat or pre-assembled depending on pack size configuration. Manufactured in the United States.