20x16 Frame with Mount For 16x12 (Or A3) Print / Picture / Photo │Solid Oak Picture Frame with White Mount Frame Size is 508 x 406 mm. Exact mount aperture measures 400x292mm. Mount Card Thickness is 1.5mm All of our 16x20 inch Picture Frames with mounts are Handmade with love here in the UK Made from REAL wood with GLASS these photo frames can be Wall Mounted either Portrait or Landscape. 20 x 16 inch Mount | White in Colour. With white core inside, meaning the bevel won't fade or yellow