Our 8" x 8" x 5" 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 8 x 8 x 5 shipping boxes are made from 200 Pound test, kraft C-flute single wall corrugated carton. Our standard boxes are great for packaging medium-sized products, cylindrical or round shape items.