Unbreakable UV-treated organic glass with reversible sides. With one shiny and one non-reflective side. 19 mm thick. Already assembled. Cardboard at the back 3 mm, without flap. Attaches horizontally or vertically. Size 21 x 29,7 cm. Lacquered aliminium profile. 5 available colours: black, red RAL3004, blue RAL5003, white+ anodised aluminium. (Delivered without photo, nor passe-partout).