B1 - 1x(16x12) +3x(5x5) multi aperture mount - for a 24x24 frame.
All mounts are 100% Acid FREE, Conservation Level, comply to the Fine Art Trade Guild and cut to a unique 45° angle.
Please note these come as individual mounts, not as packs.
The apertures listed are cut ¼ inch under size. This is so the mount will fit over your artwork. For example if you have a 6x4 photo, the actual aperture size will be 5¾ x 3¾ .
