31cm by 23.5cm (flat tile) The gradient is obtained by mixing three solid colours - here blue, white and pink as in last picture - into eachother, via a repeated fold and rolling technique. The three colours blend into eachother during this labour intensive process. The plaque is the exact dimensions of a standard Boeing 737 airplane window. Slight second, with some folding stripes on the surface. These are remants of the making process. The folds show when light rakes over the surface. 55% discount on orignal price. Comes with a seperate plate hanger. Coloured porcelain. Polished.