13 X 13 inch, Mounts, Backs, & Bags, Pack of 5 square Then the excess length can

Then the excess length can folded down and sealed with the self-adhesive flap in the normal way

Outer Size to fit a 20 x 16 inch frame - exact outer size 505mm x 404mm

This means that the 1 inch excess in width will need to be folded to the back of the mount and held in place using clear self-adhesive tape

Outer Size to fit a 7 x 7 inch frame - exact outer size 175mm x 175mm

The cellophane bags supplied with this size will be 14 x 11 inches

13 X 13 inch, Mounts, Backs, & Bags, Pack of 5 square Then the excess length canOuter Size to fit a 13 x 13 inch frame exact outer size 328mm x 328mm Choice of aperture size Scroll through the pictures to find the size that best fits your artwork, then select it from the dropdown menu. Choice of colour On screen colours may not be true to life. Order colour samples here. Select your preferred colour from the dropdown menu. All colours are acid free white core mountboard, 1. 4mm thick.