A4 framed pet portraits
A4 portraits measure 297 x 210 mm (29.7 x 21 cm / 11¼ x 8¼ inches),
Examples show A4 portraits mounted and framed in 10x12 inch frames.
To Illustrate the size further there is a photo below of A4 paper on the back of the 10 x 12 frame without a mount.
