MUJIs unobtrusive acrylic frames are designed to ensure the focus is on the picture and not on the frame. These frames can be used in either landscape or portrait positioning.
Please note the measurements stated are for the size of the
Size : for A4 Size
Inside Dimensions: Approx. 297x210mm (11.8 x 8.3 in)
Outer Dimensions: Approx. 350x260mm (13.8 x 10.3 in)