The CornerForms System is made of an extruded industrial grade plastic, lightweight, and easy to install and uninstall. It consists of two components: an edge cap applied to the side of the panel and a mainform-receiving member. CormerForms are available in a variety of shapes, colors and lengths. Standard CornerForms are 8′ long and available in white, black, gray and almond. Additional colors may be available. Check with your sales representative.