A Boards All Frames available in various :FINISHES : SIZES : BASES : Metal Framed / ShapedAluminium Framed Wooden A Frames Spring Loaded / Water Based All Frames available in variousFINISHES :: Wood: Aluminium: SteelSIZES :A2 : 420mm x 594mmA1 : 594mm x 840mmA0 : 840mm x 1680mmBASES :Spring BasedWater Based Std Base