Protect what matters most with IDL Packaging Cardboard Poster Tubes — the ultimate solution for safely shipping, storing, and preserving your important documents, artwork, and blueprints. Crafted in the USA from premium 3-ply spiral-wound kraft paperboard, shipping tubes 36 inch withstand the rigors of transit and handling, keeping your rolled materials in flawless condition from start to finish. Each mailing tube comes with secure snap-on white plastic caps that fit tightly to seal both ends, protecting contents from dust, moisture, spills. The sturdy construction prevents bending, creasing, or tearing. Environmentally conscious and 100% recyclable, our kraft tubes with lids are durable enough for repeated use — a practical and sustainable choice for professionals who value quality and responsibility. Perfect for maps, art prints, architectural drawings, and photography, versatile poster mailing tubes offer exceptional protection and a clean, professional appearance that enhances every shipment. Whether used in offices, studios, or classrooms, they deliver both functionality and style. Backed by IDL Packaging’s trusted quality and years of experience in protective shipping solutions, these long cardboard tubes combine strength, precision, and reliability — ensuring your materials always arrive safely and make a lasting impression.