Henkel 1407104 Triangle Mailing Tubes, 2'' x 18'', 12/PK, Brown Kraft, CML1407104, CML 1407104, Mailing tubes offer a one-piece, triangular design so no additional plastic endcaps are required. Tubes are shipped and stored flat to save both storage and shipping costs. Once assembled, flat panels are conveyor-friendly and can be scanned easily. Mailing tube is made of 100 percent total recycled material and is recyclable with mixed corrugate. UPC Code 075353118801, Quantity 12/PK