It is a portable (folds flat) work surface that turns any flat surface into one that helps achieve therapeutic goals. Made to institutional quality standards of oak veneer with a protective plastic edging around all outer edges, each has built-in angle adjustments, pencil/paper edge, and a removable non-glare cover. The Large Slant Board™ has a stomach cutout. An optional, easy on/off, plastic mirror is available for the Large and Small Slant Boards.™