The disclosure indicates that the compression strength of a corrugated shipping crate can be increased through the use of horizontal panels adhered to the inside surface of the vertically fluted outer walls of the crate. The panels can comprise a layer of horizontally fluted single layer of double wall or triple wall corrugated, and a layer of vertically oriented double or triple wall corrugated. The crates' outer walls can be vertically fluted 1100 weight corrugated or less. The double wall vertically fluted corrugated, can be corrugated board have a weight in the range from 500 to 1100 pounds.