Our 14" x 14" x 40" 200#/ECT-32 Tall standard-size corrugated boxes are designed to cated to all of your shipping and storage needs. The rigid cardboard contruction protects contents and stacks securely. 14 x 14 x 40 Corrugated Tall Boxes shipping boxes are made from 200 # test, kraft C-flute single wall corrugated carton. Great for shipping or storing tall irregular-shaped items, golf equipment, carpet rolls, fishing rods, shelving and umbrellas.