15 X 15 inch, Mounts & Backs, Pack of 5 Aperture size:To fit image size 10 x 10 - exact aperture size 246mm x 246mm Order colour samples here

Order colour samples here

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

then select it from the dropdown menu

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

15 X 15 inch, Mounts & Backs, Pack of 5 Aperture size:To fit image size 10 x 10 - exact aperture size 246mm x 246mm Order colour samples hereOuter Size to fit a 15 x 15 inch frame exact outer size 378mm x 378mm 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.