12 X 12 inch, Mounts, Backs, & Bags, Pack of 5 10x10 Then the excess length can

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

The cellophane bags supplied with this size will be 16 x 16 inches

All colours are acid-free white-core mountboard

Outer Size to fit a 12 x 12 inch frame - exact outer size 302mm x 302mm

then sealed with the self-adhesive flap in the normal way

12 X 12 inch, Mounts, Backs, & Bags, Pack of 5 10x10 Then the excess length canOuter Size to fit a 12 x 12 inch frame exact outer size 302mm x 302mm 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.