US Patent 7234630 Folding collapsible storage container

Disclosed is a folding collapsible storage container, which has a container body with vertical folding lines in the four corners and two opposite short sides thereof, a stiff partition plate fixedly fastened to the container body set between the vertical folding lines in the two opposite short sides of the container body, flexible spacer members connected between the partition plate and two opposite long sides of the container body, and a hard bottom board detachably mounted in the flexible bottom panel of the container body.