PANEL – 2388mm wide x 1800mm high Flat pack kit in a box – easy to assemble. Bottom & Mid rails: 2388mmW x 152mmH x 50.8mmD; 2.3 Wall thickness. Top Rail: 2388mmW x 89mmH x 50.8mmD Bottom rail include aluminium insert for extra rigidity. Panels and rails can be easily cut in width and height.