Picture without mount width: 21cm Picture without mount height: 30cm Picture with mount width: 13cm Picture with mount height: 18cm Mount opening width: 12cm Mount opening height: 17cm Frame width: 21.5cm Frame height: 30.5cm Can be used hanging or standing both horizontally and vertically to fit in the space available. Front protection in plastic makes the frame safer to use. Fits A4 size pictures if used without the mount. PH-neutral mount; will not discolour the picture. Can also be used without mount to take a larger picture.