Our 11.25" x 8.75" x 12" 200#/ECT-32 Standard-size corrugated boxes are designed to cater to all of your shipping and storage needs. The rigid cardboard construction protects contents and stacks securely. These 11 1/4 x 8 3/4 x 12 shipping boxes are made from 200 Pound test, kraft C-flute single wall corrugated carton. Our Standard corrugated boxes are designed for shipping or storing round, narrow and medium-size items.