Traditional A4 8 X 6 double picture mounts
A4 outer size with a 8 x 6 aperture ( cut slightly less) are made and sold many times over as a traditional way of presenting small ./ medium sizes pictures. Very very useful , easily available to cost effective on line picture frame purchases .
Manufactured in 1400 micron mountboard, computer cut and individual mounts are glued together to create the depth of interest. Supplied with a clear self seal bag and optional backs are always available.