These kraft mailing tubes feature a 2 1/2 inch inside diameter and 36 inches of usable interior length, built with 3-ply spiral wound kraft board at 0.080" wall thickness. That construction delivers the column strength and rigidity needed to protect rolled contents from crushing or bending in transit. White plastic snap-on end caps are included and engineered to resist accidental separation during shipment.

The tubes are well-suited for shipping blueprints, architectural drawings, fine art prints, posters, and presentation materials. E-commerce fulfillment centers, print shops, engineering firms, government agencies, and retail distributors commonly use this diameter and length for documents and rolled goods that cannot be folded. The tubes are also reusable and recyclable, making them practical for return-shipping workflows or multi-use distribution programs.

Listed length reflects usable interior space — actual tube length is slightly longer to accommodate cap fitment. Replacement 2 1/2" end caps are available separately. Each case contains 34 tubes.