Express Portable Corral - StandardWW Express Portable Corral Standard provides the pen capacity to efficiently work 80 to 100 head of cattle. Designed and built with quality and features that will serve your operation for many years to come. 1880 100 000 EXPRESS PORTABLE CORRAL PANEL SYSTEMS Feature after feature you'll find no better portable system on the market today. Designed and built with quality WW features and benefits that will serve your operation for generations to come. 6'