SSBM 3" x 3" x 25" White Square Mailing Tubes ECT-32B 25 Per Bundle

Square Design – Prevents rolling for easier packing and shipping. Self-Locking Closure – Folds together fast with secure locking tabs, no tape or glue needed. Flat Shipping & Storage – Ships flat to save space and reduce costs. Durable Kraft Corrugated – Made from strong ECT-32-B kraft corrugated material. Ideal for Documents & Posters – Perfect for mailing, shipping, and storing blueprints, posters, and artwork.